OpenTechnical

OT-2026-000070439

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000070439) never changes.

Identity and time

Publication numberOT-2026-000070439 · never reused
Internal UUID01a0ae91-545f-7133-8cbc-649ab78a3293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070439
StatusPUBLIC

Content hashes

Canonical text40e4024caad221b510665c8655c67ddee4551116317baa77606004128efa4f43
Markdowna62fad9afd61d2f1f67a482f253e3a0981be554e07061f27b3475811cc16cc31
PDF
Publication page52c1f8e39fe7f638260f75c384b7115c0ff3ebd127de9af8e4d56fd11a781b4a
Manifestc5e0ef1a98487d85c7fbdcb556d1e35a5df644c953472b95f7f332346b15b473

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
Signature88KOXgYFU7gqzZL81mq8Kk2Ac4JZqEmnkDHDWSZpSE/XLUFcEe1b65kX04l2h5Y8u1GGzu+ueGJejcuSAeoOBQ==
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

2026-09-17T10:26:15.515292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070439
observed 52c1f8e39fe7f638260f75c384b7115c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.498315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070439/manifest.json
observed c5e0ef1a98487d85c7fbdcb556d1e35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.481277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070439/publication.md
observed a62fad9afd61d2f1f67a482f253e3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.461976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070439/publication.txt
observed 40e4024caad221b510665c8655c67dde...
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.