OpenTechnical

OT-2026-000039812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000039812) never changes.

Identity and time

Publication numberOT-2026-000039812 · never reused
Internal UUID01a0ae78-d8d5-7547-9e1d-0636bdb6e0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039812
StatusPUBLIC

Content hashes

Canonical text77adf763e9747db104a75517a7fcc7129fd9e10d7bc2d2db82456ccc3c8ef683
Markdown7ad09189fbbfa70dabd2760094652e07641547401120b65ea3a2b6b871124eb1
PDF
Publication page8e50d8686f04bb35831ffbda49eb8dd31e4bde7e70c0f41f6d616c81472cd6c8
Manifestb6e2b78ad64dd4276c26bb7e57effbe36b3015e6cfa24c6e86c981b5eaf79da0

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
Signaturea95Ls4+boApeZ/81EdJTQL3QdMvWHGckszWcTvfBboqwNlkMeziJl30Ojv6asn+USRQXTdqK/3wILLwe+EsqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:02.969616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039812
observed 8e50d8686f04bb35831ffbda49eb8dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.951790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039812/manifest.json
observed b6e2b78ad64dd4276c26bb7e57effbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.935639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039812/publication.md
observed 7ad09189fbbfa70dabd2760094652e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.916783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039812/publication.txt
observed 77adf763e9747db104a75517a7fcc712...
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.