OT-2026-000013572
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000013572) never changes.
Identity and time
| Publication number | OT-2026-000013572 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7bf9-a52b-ccb3e695acdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013572 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51094d5dce13a0b61368424d061f423e0b88eb363fc568290bebf833e54640d5 |
|---|---|
| Markdown | c42c2c9b1b3aa4d4150903d7e9282e82afcb8930fb20969066cffd0f5ce54045 |
| Publication page | 0526a40bfed0641f2e4184b1dd64ee51fb2d4d0dd9ace716bc90f8bcfbedcf99 |
| Manifest | af14c10c7aa3f75559477593b4af04cc5a14ae9f03dfa2255244167c0d83c690 |
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 | pZEEo67Zlmo8Z9GVva3VbvAQPfqlFMaWnVd12ceIwBcMWHdZubANiLhexW5FxgXL5/kcM6zv1YwhierM727YAw== |
| 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
| 2026-09-17T12:10:07.049562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013572observed 0526a40bfed0641f2e4184b1dd64ee51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:07.031785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013572/manifest.jsonobserved af14c10c7aa3f75559477593b4af04cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:07.013048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013572/publication.mdobserved c42c2c9b1b3aa4d4150903d7e9282e82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:06.992284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013572/publication.txtobserved 51094d5dce13a0b61368424d061f423e...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. |
|---|