OpenTechnical

OT-2026-000072620

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000072620) never changes.

Identity and time

Publication numberOT-2026-000072620 · never reused
Internal UUID01a0ae92-89d9-7a64-831e-8ef1a7f402b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072620
StatusPUBLIC

Content hashes

Canonical texte0129bf10da473fc6d983d034934d5cd6f9a519b0473d42456546be177b79e55
Markdown1f4c53a35bde9522f055168629a350e413a6c97c6b738164ca931e024bdc10d5
PDF
Publication pageb004873273e7cfbf15c1227d0088a3240a2a5a18152f5f522fa1a67cf6172546
Manifest34ecde8bffd596ebf61964c695c68fd7ee441f18bd408926d5f81d28b91190ab

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
SignaturesQ7r9wu2IGajsjterUwcyuUq//YdHo5Xs/vnoRz9bK05fTS3LMpypeeNVEUevfG3E+B1/aMHF8o1PxU+r0FnCg==
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

2026-09-17T10:22:28.488631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072620
observed b004873273e7cfbf15c1227d0088a324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.472589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072620/manifest.json
observed 34ecde8bffd596ebf61964c695c68fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.455540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072620/publication.md
observed 1f4c53a35bde9522f055168629a350e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.436833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072620/publication.txt
observed e0129bf10da473fc6d983d034934d5cd...
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.