OT-2026-000055888
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000055888) never changes.
Identity and time
| Publication number | OT-2026-000055888 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-7343-a0d5-173b2e83cef7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9cba1c9f6a12eb31e6a4f1561ddbb22dbbe84fef7bc82da19da9cc39cf51e58b |
|---|---|
| Markdown | 1f197091d7fe4d4608e7d0cf7d726247b25dacdd7fc2e8cd4e394f50b42c59cc |
| Publication page | bbd9d587554108ae290de406f65e7a2897d0aa0063518ca7f29732551c6823fc |
| Manifest | e35793570186e0d4e71312907e1525836cf0cd8803106901502b33a2cc435945 |
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 | T5MEjFYCbf+h8WZjRddv8GDzClXqNTr2xBCakEXjI7f85y+6ZgDy+wUh8fYkvsSrfW4d1xUiR6gTKeiQFHfzCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:09.322064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055888observed bbd9d587554108ae290de406f65e7a28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:09.304503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055888/manifest.jsonobserved e35793570186e0d4e71312907e152583...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:09.255500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055888/publication.mdobserved 1f197091d7fe4d4608e7d0cf7d726247...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:09.213196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055888/publication.txtobserved 9cba1c9f6a12eb31e6a4f1561ddbb22d...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. |
|---|