OpenTechnical

OT-2026-000067178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000067178) never changes.

Identity and time

Publication numberOT-2026-000067178 · never reused
Internal UUID01a0ae8f-14ff-7f2c-97ff-5b1f4264d7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067178
StatusPUBLIC

Content hashes

Canonical textf3a8304fcadd75f414ce4bc9bfbe801b4bedf2dcc31ce9613113a5d4ccc9c950
Markdownf310d5b5cb9380b79971c069b3f11ea23b051d425794f317a2be059b3f051f9b
PDF
Publication pagebc2de49fb2536b0b0dd137982695cfe26fcfce933301c1f4e0ec8b1424395d03
Manifest573e328964ecf29f1568a57065d853f9f17e9178b68261ee2aef4b4967c6721c

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
SignaturelpkAPb8lSjnfl8SvVN37Ix44a80hzYNSGDNc2rkrT1upjOTqSN6zYf4CSACjpZMUKwEVCB9OSAAg/RGknyzjDg==
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

2026-09-17T10:32:27.671698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067178
observed bc2de49fb2536b0b0dd137982695cfe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.655348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067178/manifest.json
observed 573e328964ecf29f1568a57065d853f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.637866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067178/publication.md
observed f310d5b5cb9380b79971c069b3f11ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.618751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067178/publication.txt
observed f3a8304fcadd75f414ce4bc9bfbe801b...
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.