OpenTechnical

OT-2026-000085860

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000085860) never changes.

Identity and time

Publication numberOT-2026-000085860 · never reused
Internal UUID01a0ae99-e829-70c5-be75-5a50c4c7def4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085860
StatusPUBLIC

Content hashes

Canonical text825678986cb60714fef8a212409a87816a7098c0a6475f8450c54c2b95e62161
Markdown89947a976a9d6cd02ccad98275c92fda7097cc4f2e8153f9ef7fb6a7f769b9a3
PDF
Publication page31445110f0d684ba931933494cd942db330557cdcaf476a60bb58bf63d9c76c0
Manifest8136cb03de583e68ca096286a1d94d4a873a4c1b4dba11812edfddd00524f474

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureiDfFqgoe6tQPz3ekA0i9+OkDq3DXpM2a2Kk4fv75F5eh0ftphSdRVztsjT25SnXH/Qrp1Y4XKBqQjrKVEOSLDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:47.380970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085860
observed 31445110f0d684ba931933494cd942db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.362112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085860/manifest.json
observed 8136cb03de583e68ca096286a1d94d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.342256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085860/publication.md
observed 89947a976a9d6cd02ccad98275c92fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.322181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085860/publication.txt
observed 825678986cb60714fef8a212409a8781...
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 archivePending 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 packagePending Custody packages are produced weekly.