OpenTechnical

OT-2026-000077482

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000077482) never changes.

Identity and time

Publication numberOT-2026-000077482 · never reused
Internal UUID01a0ae94-f50a-7405-ad93-b562700baab1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077482
StatusPUBLIC

Content hashes

Canonical text3d740ba63951cb085e4e84775abded03e5731c6a55c49665ccbed15603846b84
Markdown29c288b3aa840cb6727c287b5881d39f1a9b608add1607a57581deb81b28b375
PDF
Publication paged3169b66c5f1bf705151aeccde907f33339a89f77cdcf6fb0a8969bdcb01b8db
Manifestde44e0ac2a525524566e9828564dd3397dd49cb185e169491a084beab84f5c38

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
SignatureSOcttqNG+9CAx5hI8ITcmulFCTLPuItV+HqirErEFQf0PGeTZTPTng/CxNVo9MNHhMtUm/u9zsHS+3lk5+DRAg==
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

2026-09-17T10:09:10.184669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077482
observed d3169b66c5f1bf705151aeccde907f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.164137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077482/manifest.json
observed de44e0ac2a525524566e9828564dd339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.145702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077482/publication.md
observed 29c288b3aa840cb6727c287b5881d39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.125380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077482/publication.txt
observed 3d740ba63951cb085e4e84775abded03...
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.