OpenTechnical

OT-2026-000079354

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000079354) never changes.

Identity and time

Publication numberOT-2026-000079354 · never reused
Internal UUID01a0ae96-0b90-7814-a225-ecfd20a8d32b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079354
StatusPUBLIC

Content hashes

Canonical textc69a0554c69b1c75c181555146737a458801118831c74dd2fb0dfe01aaf997f4
Markdownf73345f9ac03f2f000ffb1889416a6a12f82ef9ec32ce864891424214d8f56f5
PDF
Publication page2f392e3685b919e532cce89be4e941a7fb8fded6581f7c453e8ab91754bd6d05
Manifest616fa2029a4b3f18d093ba880d9784104d6718912257d4853d7a7ec60e71d27c

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
SignatureQCrOOAybWswZl1B1ZLcXXiaz34EstZxB1YXcdYpojx5mpJPzhbsyeewmkCm6o169ew3UHACrPrFnWMrd8a0BDA==
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

2026-10-13T20:41:03.695607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354
observed 2f392e3685b919e532cce89be4e941a7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:03.635055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/manifest.json
observed 616fa2029a4b3f18d093ba880d978410...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:03.564825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/publication.md
observed f73345f9ac03f2f000ffb1889416a6a1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:41:03.504880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/publication.txt
observed c69a0554c69b1c75c181555146737a45...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:23:27.418192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354
observed 2f392e3685b919e532cce89be4e941a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:27.402388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/manifest.json
observed 616fa2029a4b3f18d093ba880d978410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:27.357312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/publication.md
observed f73345f9ac03f2f000ffb1889416a6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:27.315629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079354/publication.txt
observed c69a0554c69b1c75c181555146737a45...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent