OpenTechnical

OT-2026-000086313

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000086313) never changes.

Identity and time

Publication numberOT-2026-000086313 · never reused
Internal UUID01a0ae9a-2c96-7b98-95e8-12f22e692503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086313
StatusPUBLIC

Content hashes

Canonical text3f9d50eca4a4f4d294ae6e2792233a911f5a9a91940b6776641aa882c7dabe92
Markdown7979625e4687fc1481db0d0e80b7585f6b5cb9202024484edf69d76b5606685a
PDF
Publication pagea1bd08d9d81e2ce8e499ce73a1c297514ac0b2bf95dd54069d5c8473d73046fa
Manifestab0239d4b57159fe46c7e7edb52aa95921cbf57031a305e73da03ad7bd790be1

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
SignatureQGPFqYhCH0lnujGBNcac4xBR7oNfyW4AhNfrHOg981pw8hWlMnhTX3LWZMF7fVr3wJoT195Pkvi3Y5eSzltGDw==
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

2026-09-17T09:51:59.872447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086313
observed a1bd08d9d81e2ce8e499ce73a1c29751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.856832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086313/manifest.json
observed ab0239d4b57159fe46c7e7edb52aa959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.837837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086313/publication.md
observed 7979625e4687fc1481db0d0e80b7585f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.818348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086313/publication.txt
observed 3f9d50eca4a4f4d294ae6e2792233a91...
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.