OpenTechnical

OT-2026-000056371

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000056371) never changes.

Identity and time

Publication numberOT-2026-000056371 · never reused
Internal UUID01a0ae87-4bd2-7f86-bb6b-7e606efb163b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056371
StatusPUBLIC

Content hashes

Canonical textdef4c1774622f4081471d3d01527bf81d8c59fabc2c7eb3a8928142b9f35053c
Markdownac4bdceb3b313a7c42a1643187e12640e21090e5b35051507cefeac6596264b7
PDF
Publication page5d0a65ef1bc61429df3904cb6ce54f8fbc064e49c608ec56ac120ec3d908b84b
Manifest0f50eab7b69222cd4f630661aa8a8815d6c3fdb9d9f2c787dad31450819b1d2b

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
Signature45Nud+cwRCKXXDjd3kwOvvdZEuOVq9ZHRP3VjSD9uNnlJIvZMsjaEOQCYmSEPQtWjasFm5qQUHq/Rfy5878XCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:53.311328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056371
observed 5d0a65ef1bc61429df3904cb6ce54f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.292573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056371/manifest.json
observed 0f50eab7b69222cd4f630661aa8a8815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.273803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056371/publication.md
observed ac4bdceb3b313a7c42a1643187e12640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.256113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056371/publication.txt
observed def4c1774622f4081471d3d01527bf81...
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.