OpenTechnical

OT-2026-000080609

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000080609) never changes.

Identity and time

Publication numberOT-2026-000080609 · never reused
Internal UUID01a0ae96-7e79-703d-99e7-6f841fa40ecd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080609
StatusPUBLIC

Content hashes

Canonical text7b7b8a446655bc1a57d10b7acc863fb69a5dafd44fe31ad542a9b21d5b1c8d10
Markdown90bd329b86b52f77dd9f2eb14c909ca0b0152c9e3ea3d062ef0c558d582bdff2
PDF
Publication page9b77cae5e7018d99170b36d9913a1124859f0382827c5efbeb7bf8607d665161
Manifestd29626db7d7812616a6713d49d6f5ac1c05cddc292a83a72bba3f1ec65d85f27

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
SignatureI+WX0mynKL23NBRgQW+faKpqXT7FUJrxzT0HH79Kk1IwhXVJQ0RFApVscn0vDLPBwZqO4xCX4wUJ9tI6ZQbVAQ==
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

2026-09-17T10:03:14.858344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080609
observed 9b77cae5e7018d99170b36d9913a1124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.840034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080609/manifest.json
observed d29626db7d7812616a6713d49d6f5ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.821516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080609/publication.md
observed 90bd329b86b52f77dd9f2eb14c909ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.802796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080609/publication.txt
observed 7b7b8a446655bc1a57d10b7acc863fb6...
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.