OpenTechnical

OT-2026-000069480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000069480) never changes.

Identity and time

Publication numberOT-2026-000069480 · never reused
Internal UUID01a0ae90-b52a-7938-aa3e-36e6ecbe0fc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069480
StatusPUBLIC

Content hashes

Canonical text9724ff65448df82415fe82cf7eff46b2bbf0f841487589ccbad7235316ef26d6
Markdownfb2c5afd37a7f49a68db871228df9347681331c13875dbc00568d0a7907ed4c2
PDF
Publication pageb5a39f07fed9d111032fa4d3f925c8220819a79623098b0feb084cc56bb60597
Manifestca47c116b6d640d90cd6251208a4f23b3a0e384cfc08a5add518e9775d915f31

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
Signaturel7CjWG6aHKZ8QtZx+Sh1mu0MesCIOtLEkh74pin3lKd/tBtHNETVWdFqT3AMJBp8VRsNJKq8lyrIYY+8EqL2BA==
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

2026-09-17T10:30:33.489463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480
observed b5a39f07fed9d111032fa4d3f925c822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.472153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/manifest.json
observed ca47c116b6d640d90cd6251208a4f23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.454092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/publication.md
observed fb2c5afd37a7f49a68db871228df9347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.436160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/publication.txt
observed 9724ff65448df82415fe82cf7eff46b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.211361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480
observed b5a39f07fed9d111032fa4d3f925c822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.193173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/manifest.json
observed ca47c116b6d640d90cd6251208a4f23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.173595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/publication.md
observed fb2c5afd37a7f49a68db871228df9347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.157020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069480/publication.txt
observed 9724ff65448df82415fe82cf7eff46b2...
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.