OT-2026-000031244
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000031244) never changes.
Identity and time
| Publication number | OT-2026-000031244 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7213-a170-9806be995c4a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031244 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3971d85f2589aee050f0b854047d97453d25ff7bc3c61c92b1e6c6fc020e214d |
|---|---|
| Markdown | 1b88d67c13aa4962fecfa140b5dd17e63849bef66f516cb0cb3f1b34448d50e8 |
| Publication page | 2c58fed07f6f87152281343f3a1741ecb76065c88459ee46379cca0ac5bc00d8 |
| Manifest | 6818a7a4aae02841f6ba04c4a26a24d475b81e57e349b983a70ae86b10d2b92e |
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 | +eVLetKex5CtGzapYagFX63AqGz3DqURDAKRsv4+TAv6y/11BAI4/yNxmtblOw/l9zoeWSgh7Ng/nV34CbR4Bw== |
| 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
| 2026-09-17T11:35:49.043965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031244observed 2c58fed07f6f87152281343f3a1741ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:49.025965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031244/manifest.jsonobserved 6818a7a4aae02841f6ba04c4a26a24d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.005674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031244/publication.mdobserved 1b88d67c13aa4962fecfa140b5dd17e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:48.985538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031244/publication.txtobserved 3971d85f2589aee050f0b854047d9745...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. |
|---|