OpenTechnical

OT-2026-000084311

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000084311) never changes.

Identity and time

Publication numberOT-2026-000084311 · never reused
Internal UUID01a0ae98-5b61-7598-8764-9ff563112fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084311
StatusPUBLIC

Content hashes

Canonical text5462e13f41529a3bf03a8187d68f45495f278c109d4fd20232bfc335c2f461b6
Markdownebd31857104f0e8591f88a46c715297d27763270418c8648bc707a81bf6f18db
PDF
Publication page509aa50b121bc5c667884fc3cbc41a698018b57c767890164723d93edba72f1d
Manifesta6102574f06fe3bdc9c51a0b3e585f5229b699254402ba02f4738a614422097c

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
SignatureDNGPCOOx6p+khkcnooe5c7x5vQE7i7e2c4PrEbGm6qkBolny0Cky+YM2wf5fKysI5DLykVxxb+VzhuhgqhpDCg==
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

2026-09-17T09:56:14.023254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084311
observed 509aa50b121bc5c667884fc3cbc41a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.006365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084311/manifest.json
observed a6102574f06fe3bdc9c51a0b3e585f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.988991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084311/publication.md
observed ebd31857104f0e8591f88a46c715297d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:13.970397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084311/publication.txt
observed 5462e13f41529a3bf03a8187d68f4549...
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.