OpenTechnical

OT-2026-000070498

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000070498) never changes.

Identity and time

Publication numberOT-2026-000070498 · never reused
Internal UUID01a0ae91-5460-7a93-bad5-e8367125edc0 · 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-2026-000070498
StatusPUBLIC

Content hashes

Canonical text0e41412adbd97e031c0629a1fa61084c21fd6adddc0c48626db2582eef4c0757
Markdown9843a1e62f37c136b99c5264c2320092322c10da766b45ec9a7007fad5fef7e9
PDF
Publication pagecdac1d001cdda4a722ea11bd54c3e63377ee077c68e916c8e34bed682bb3f913
Manifesteac761cb23d29ae6ec068372ed61fda4d4c5bc9c0ae75120e8efe58a7ebc790b

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
SignatureujHIVlGk9vKWIzLZa0ZBXSOuwl0HnfK6vcPeIwr8SoCev83Brec5n6fGGBZme3FoG/uS6PGrpoGhXFnprqItCQ==
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

2026-09-17T10:26:20.043469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070498
observed cdac1d001cdda4a722ea11bd54c3e633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.024463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070498/manifest.json
observed eac761cb23d29ae6ec068372ed61fda4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.006913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070498/publication.md
observed 9843a1e62f37c136b99c5264c2320092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.988530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070498/publication.txt
observed 0e41412adbd97e031c0629a1fa61084c...
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.