OpenTechnical

OT-2026-000055438

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000055438) never changes.

Identity and time

Publication numberOT-2026-000055438 · never reused
Internal UUID01a0ae86-a102-7bf3-8d73-97720e14d21d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055438
StatusPUBLIC

Content hashes

Canonical text6c0d3183207b64b6ef9b0e5fa33aedae08e62f18e6a6575a7164fe8dde719e6a
Markdowna900af2f284d497a6c245b01f6e9d300a97acc58d28737cb7b32686ba18a5c6f
PDF
Publication page521c01f9bfd94530eaa5dc3ae47a53b398e5dc6bb486ca5edb4e7c58167b384e
Manifesta545ccb4fd89bbb6e75d4ad3899a71dd28aadbddbd52ccb0a5b1bdbf0e162ad9

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
SignatureKMNBeRRUvYP1UjDH3OmC5160V+GzhI732aL1mOKpsTYqXynkrCiPQQGYgChAwqdeHChpEWheQbsz4qom9y+uDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:05.335935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055438
observed 521c01f9bfd94530eaa5dc3ae47a53b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.317744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055438/manifest.json
observed a545ccb4fd89bbb6e75d4ad3899a71dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.299565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055438/publication.md
observed a900af2f284d497a6c245b01f6e9d300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.280487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055438/publication.txt
observed 6c0d3183207b64b6ef9b0e5fa33aedae...
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.