OpenTechnical

OT-2026-000023727

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000023727) never changes.

Identity and time

Publication numberOT-2026-000023727 · never reused
Internal UUID01a0ae70-aed4-761b-b3df-5dd051f7500c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023727
StatusPUBLIC

Content hashes

Canonical texte72e977900a3c88608a7a126f0320fddddd315859e98c72c009f73fe87e227f8
Markdown4c27bd310dd67f9fb62c9b3276628f57e7cb8351c2a087d814ca8bbd46d7bc43
PDF
Publication page74848986a23de76500290f651459161406357cc5dad1a23b7c30c61d5765c774
Manifest235aa523c9e035b62ccd48a1510450658d8385823503c98eadd4b62d656c5d67

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
SignaturedcZKbT+KS+huQ+tmZCgLw7W8PFximYc28lOD0r73dIPju8KmAPYz0CcbU9UKAsRyD8qDL+VRObWB2uJrgyaZDw==
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

2026-09-17T11:50:04.232620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023727
observed 74848986a23de76500290f6514591614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.210975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023727/manifest.json
observed 235aa523c9e035b62ccd48a151045065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.194030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023727/publication.md
observed 4c27bd310dd67f9fb62c9b3276628f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.177197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023727/publication.txt
observed e72e977900a3c88608a7a126f0320fdd...
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.