OpenTechnical

OT-2026-000069506

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000069506) never changes.

Identity and time

Publication numberOT-2026-000069506 · never reused
Internal UUID01a0ae90-b52b-70b5-9dc8-366a656d0600 · 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-2026-000069506
StatusPUBLIC

Content hashes

Canonical textc72803a9a430e5d6187d1616d1fbdb99a3abc81b99952ec4cc525209a49347f2
Markdownb8f9951fb8796c6369b22966628f7af4245ab62f7b81b617e06a19a847a1d264
PDF
Publication pagecf8a45f3e122d02d45486fc59eab39ecfc97adbb01133a95bb1a6383a2a26b02
Manifest53c30e03da556b0ea811d3c4773dee110474846eabd773f0bfd3b9d67a5888d5

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
SignatureiOmsyt1Oz17FBmfWIkDWgYCZdJBWzm7zeqyrniQwiSf17DaaJnugF3LZQxGR2GRVaGV7rmZC9I6UX/675bZQAA==
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

2026-09-17T10:30:35.470950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506
observed cf8a45f3e122d02d45486fc59eab39ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.451570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/manifest.json
observed 53c30e03da556b0ea811d3c4773dee11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.432307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/publication.md
observed b8f9951fb8796c6369b22966628f7af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.416185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/publication.txt
observed c72803a9a430e5d6187d1616d1fbdb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.373794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506
observed cf8a45f3e122d02d45486fc59eab39ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.356469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/manifest.json
observed 53c30e03da556b0ea811d3c4773dee11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.337400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/publication.md
observed b8f9951fb8796c6369b22966628f7af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.317457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069506/publication.txt
observed c72803a9a430e5d6187d1616d1fbdb99...
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.