OpenTechnical

OT-2026-000033441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000033441) never changes.

Identity and time

Publication numberOT-2026-000033441 · never reused
Internal UUID01a0ae75-a38d-7fde-82b9-aed1cf9abf8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033441
StatusPUBLIC

Content hashes

Canonical text468c50f15c04f58447c64eb9217627a8bcac41f1838a7ffc010a62cef84705a6
Markdown8b47a072936e090c6d7afbca3c9ba96cfc6a0b553d3863bcc429e665f1b826f2
PDF
Publication page00b85dd3a8c325bf9a528fb40dd8390d4e8b1d4f1ff9548498b21fd4ba72e494
Manifest655d6dbc33384da6553562a0d4ceaaca35dadba9862b5bfc76b006684bbd3edb

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
SignatureBPaZXasrxI5RI3vUllZPPsyleVSwoF/NGcDRPD1VZ/Gl0GDTcJ6YRBvuE3UIF7KR7LP9Q2j6jSeBhiCwSanzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:16.367469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033441
observed 00b85dd3a8c325bf9a528fb40dd8390d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.348054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033441/manifest.json
observed 655d6dbc33384da6553562a0d4ceaaca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.328605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033441/publication.md
observed 8b47a072936e090c6d7afbca3c9ba96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.311306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033441/publication.txt
observed 468c50f15c04f58447c64eb9217627a8...
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.