OpenTechnical

OT-2026-000075380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000075380) never changes.

Identity and time

Publication numberOT-2026-000075380 · never reused
Internal UUID01a0ae93-f201-7b20-a9df-f18035f7fe50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075380
StatusPUBLIC

Content hashes

Canonical textbf97fb477d890008c7464c8b35f9cb15d55ceee79a7a05c092731fd883c5740e
Markdown162de17970e2c9090efb36b5404a8b89451c0b3e68a224f78333aff6e89ad1dd
PDF
Publication paged1637e817b615caeba5cb6deacbed3202e487b66394e49dbf4e80228802cc13f
Manifest2ca9127848431ffd0aa82c9158345220ce16081ac73306ed84a9e4ce6c79a612

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
Signaturek2ToO0EmgKmOyP68vOeiDkzGdRlrwImm/tg9LAUmhz+opG2FmuwEvXPVprde2NqolmsiwrwLE901EzYIkVHVBQ==
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

2026-09-17T10:17:24.946566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075380
observed d1637e817b615caeba5cb6deacbed320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.804673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075380/manifest.json
observed 2ca9127848431ffd0aa82c9158345220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.786095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075380/publication.md
observed 162de17970e2c9090efb36b5404a8b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.766045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075380/publication.txt
observed bf97fb477d890008c7464c8b35f9cb15...
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.