OpenTechnical

OT-2026-000072619

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072619) never changes.

Identity and time

Publication numberOT-2026-000072619 · never reused
Internal UUID01a0ae92-89d9-7fad-adb0-165f89c284b7 · 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-2026-000072619
StatusPUBLIC

Content hashes

Canonical textb0be20880fea94f03c6f8b2bdf40f4244243707d35aa08d97192ced764704154
Markdown3bf274b89cd6e39400310c15a2b562240ffbfa6346925088a9bc4ba420b7c3ce
PDF
Publication page1492eb52e0c9e501ff0980056bf851217c91bbcb0d9f51cdd17b8e917b483bef
Manifestee1d02c9ab496a0e653c605e2d3495306ba185bafc1942ba64f27f1df1bbdc4c

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
Signatureo/7aCxR2QLYlG6AuYVsiZGa20/3ww7KlDcROOmhsIGwUd7/i25iwQQt/c0V0dPiS0graVHbayTJoRlSXFfsdBQ==
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

2026-09-17T10:22:28.417130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072619
observed 1492eb52e0c9e501ff0980056bf85121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.399034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072619/manifest.json
observed ee1d02c9ab496a0e653c605e2d349530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.379678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072619/publication.md
observed 3bf274b89cd6e39400310c15a2b56224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.360065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072619/publication.txt
observed b0be20880fea94f03c6f8b2bdf40f424...
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.