OT-2026-000006964
Publication integrity record
Four finger mechanical gripper, pump fed, contact triggered, pneumatic drive
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-2026-000006964) never changes.
Identity and time
| Publication number | OT-2026-000006964 · never reused |
|---|---|
| Internal UUID | 01a0a96d-dc75-7630-a3e7-58396e038b85 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:55:44.504304Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006964 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16e0db7dffde3524a995317e3d2142df1444ef3dccc532966aa897ff39fad321 |
|---|---|
| Markdown | db8f89f9641ac4a4ea10418b363dec1b970de6f43aeaad85c85237e25ff8dfb7 |
| Publication page | 966e09d72b6c03ef658dd320c8f415efccf9f0c289372368517395d7c86041d5 |
| Manifest | b57ed2e59e97a8538dcfc8dcbe145261424d0e0ee732f5395dbbbb86ab09440a |
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 | k+s7hQ+tex5qEybnQJIxKVJfBHwYducMOp+CBz55cTBoCLwWC9F9nLsSxPw26r4Yc0kTaRiUQCDnuqfmyJnEDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-25T00:41:57.114343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964observed 966e09d72b6c03ef658dd320c8f415ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T00:41:57.046857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/manifest.jsonobserved b57ed2e59e97a8538dcfc8dcbe145261...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:56.975464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/publication.mdobserved db8f89f9641ac4a4ea10418b363dec1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:56.846766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/publication.txtobserved 16e0db7dffde3524a995317e3d2142df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.504807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964observed 966e09d72b6c03ef658dd320c8f415ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.490882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/manifest.jsonobserved b57ed2e59e97a8538dcfc8dcbe145261...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.478196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/publication.mdobserved db8f89f9641ac4a4ea10418b363dec1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.466520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006964/publication.txtobserved 16e0db7dffde3524a995317e3d2142df...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
| 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 |
|---|