OT-2026-000015880
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off before set-down
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-2026-000015880) never changes.
Identity and time
| Publication number | OT-2026-000015880 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4c-7162-b01b-8d30ccf4e89c · 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-2026-000015880 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8abfbaa160063f4b3ddb9fe9a3dd2209a155dfa8c8801c6d97c9e2e36f69bc9 |
|---|---|
| Markdown | b9ccc51ec17e73ad053500f23ac9fe6d19caabcd0f14295f27e32776cc30d859 |
| Publication page | 000ffdf003087db5126a4661ad72053d2077b7bb9673782ee6b63cdf5869fdd7 |
| Manifest | a49ab148b0a3a20181190f2b03faca748ac01b1b3f1ab85777a23ffda2b25a86 |
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 | HWVzEb6GesTCiteWTQwDQLsBgBfcGQ23TRjJmy1Hn1AA9xEFDH4vaDwi24nnMacSTDHB0b96s0TTyQZuI089Cg== |
| 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
| 2026-09-17T12:05:19.866966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015880observed 000ffdf003087db5126a4661ad72053d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:19.848591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015880/manifest.jsonobserved a49ab148b0a3a20181190f2b03faca74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:19.830320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015880/publication.mdobserved b9ccc51ec17e73ad053500f23ac9fe6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:19.810303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015880/publication.txtobserved b8abfbaa160063f4b3ddb9fe9a3dd220...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|