OpenTechnical

OT-2026-000003634

Publication integrity record

Vacuum cup gripper, three zone face, two outlet manifold, plant vacuum fed

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-2026-000003634) never changes.

Identity and time

Publication numberOT-2026-000003634 · never reused
Internal UUID01a0a90a-985f-7cee-9ed1-ffa0e04b465e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:19.010760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003634
StatusPUBLIC

Content hashes

Canonical textcc3c8d7a17ee7a45e727725304bf5f9f7fc283d49e7d3368ed8e1d81c6d34059
Markdown7d1d1c3efab0c6a8a8e24daf95b040689f8a163de223c0099de5412989a590e3
PDF
Publication page8bd36a56171d99d5b4fa59fb151208a0470261e5e117b755be93bb1cdfc53c94
Manifest77fadf08f0231507ad9f45eb71d5ffd89f1a412702fd281ea05dfe463b8dabb8

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
Signature0vFOPJ5G9XmmnbpJDRCdUE/Uc1UkdZQY1VmTxIzRNlmVKfHUipbe2XXzIDNQHDo3Lgnx0/UedZ8ReEdXWh2EDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:35.194654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003634
observed 8bd36a56171d99d5b4fa59fb151208a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:35.180405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003634/manifest.json
observed 77fadf08f0231507ad9f45eb71d5ffd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:35.165657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003634/publication.md
observed 7d1d1c3efab0c6a8a8e24daf95b04068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:35.151824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003634/publication.txt
observed cc3c8d7a17ee7a45e727725304bf5f9f...
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.