OpenTechnical

OT-2026-000076678

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076678) never changes.

Identity and time

Publication numberOT-2026-000076678 · never reused
Internal UUID01a0ae94-b06f-7f50-baf3-de431eab5e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076678
StatusPUBLIC

Content hashes

Canonical text88b189792d023640da297399e54c9fb76b93137d4dacdaf16a22499822285134
Markdowndfad1f8f80fe343d1ca59476a65006e92413a40849dc4e7932bd4155bea33a01
PDF
Publication pagea5b7500ca5cb99c6f899f3e54801970d7155840cc4480edc594af01cbe812d60
Manifestb50f18799eaef5ae5d8ba479ea26ffd3ae7deaf4509905cfcabe94d6280530b7

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
SignatureV5IS+nCYkPzVeYV75B5iQdm9Nu2aR2Wal5ZRc+bS6+Pp51oFuHJc3oV7nAatMjaYFHqkn9dxNg+4EIRX0+yvDw==
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

2026-09-17T10:09:25.824922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076678
observed a5b7500ca5cb99c6f899f3e54801970d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.805746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076678/manifest.json
observed b50f18799eaef5ae5d8ba479ea26ffd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.786432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076678/publication.md
observed dfad1f8f80fe343d1ca59476a65006e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.766512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076678/publication.txt
observed 88b189792d023640da297399e54c9fb7...
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.