OpenTechnical

OT-2026-000079890

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000079890) never changes.

Identity and time

Publication numberOT-2026-000079890 · never reused
Internal UUID01a0ae96-4376-7061-916e-e7b9e1ba6a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079890
StatusPUBLIC

Content hashes

Canonical text82bd6df5da9a9d83078d5987d3e6ced5920542cae95b4b725d630c341f8c6bea
Markdownaf7bc927c9f04c6a9d65ad8cca4e685b149a3fdbe339c6ea860fd70cd5ab765d
PDF
Publication page44c80d2f5a16d3e03d7057dfcb8725f179ba36e0f13c6543ddb605ae2b296e5e
Manifest21da422b6f9aef6c0472977f3815c27d110b9a552aa9402059b757bf828f1469

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
SignatureB9GM9wzY07bs0jNdsGG/v4C/n8YkKlnB5Cd5GPTFUVM80E3F5CB2nRMC3wWU9D5UxU99e8uJvqm7UbfkVojkCg==
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

2026-09-17T10:03:47.012636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079890
observed 44c80d2f5a16d3e03d7057dfcb8725f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.993304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079890/manifest.json
observed 21da422b6f9aef6c0472977f3815c27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.973979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079890/publication.md
observed af7bc927c9f04c6a9d65ad8cca4e685b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.956571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079890/publication.txt
observed 82bd6df5da9a9d83078d5987d3e6ced5...
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.