OT-2026-000015971
Publication integrity record
Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000015971) never changes.
Identity and time
| Publication number | OT-2026-000015971 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4d-70df-9f9b-5b642b7f573a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f9416c52dd3f4a057f34372535e8888bd76bcd48adf5c3da7f04b0262419a5d |
|---|---|
| Markdown | 6858678ea5eb1c4039695a3c3baeaa59997f7e7c3366345308fe3114f11ce97e |
| Publication page | 08291e153a2e2954d1f9e10a2f3002a7287bcc7c4b13959a1d05fad9a8d26734 |
| Manifest | ea6560454b60da8b59d1605fb8d930a53b0e096682247aff4e0c5caabbaf6e33 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | YXsS6w2DTJ9fiQ9mTbM86WpYQVFjUahHkHFpLP2wXPKl0nh+Z0x/HWSu83dL1IeUGRMyFU5JkZFX+zeoI3RHAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-28T08:41:36.643338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971observed 08291e153a2e2954d1f9e10a2f3002a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T08:41:36.556945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/manifest.jsonobserved ea6560454b60da8b59d1605fb8d930a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:36.493662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/publication.mdobserved 6858678ea5eb1c4039695a3c3baeaa59...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:36.301371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/publication.txtobserved 9f9416c52dd3f4a057f34372535e8888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:34.579002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971observed 08291e153a2e2954d1f9e10a2f3002a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:34.528989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/manifest.jsonobserved ea6560454b60da8b59d1605fb8d930a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:34.468181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/publication.mdobserved 6858678ea5eb1c4039695a3c3baeaa59...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:34.407090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015971/publication.txtobserved 9f9416c52dd3f4a057f34372535e8888...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|