OpenTechnical

OT-2026-000080378

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000080378) never changes.

Identity and time

Publication numberOT-2026-000080378 · never reused
Internal UUID01a0ae96-7e77-7fbb-81d3-959c4aaba506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080378
StatusPUBLIC

Content hashes

Canonical text260121014652a8dc06c8de9a4484d8cd0153e48d5ce4e0dce46e00dbc61de1cd
Markdown540ac997a8c47272e2b3bc7bf586e48ffe8a43b339aae9b30ed7f954aaacc7b0
PDF
Publication page0765a8900a32388df47c04e594dc953c0f185112b67e22d62fbc996f08e13ece
Manifest0ce1db78fd8dd069d751aa716566a5a5e2db915c7b6649a63d6c56147383fc12

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
SignatureYdzxtzqn8G9FEC6iPWtPAguRQQFwdSSsLSql0oYu/jXyZddsVHMk3v2gSdYAuodUCpVaCFuFW6yAsHcGzTh6CA==
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

2026-09-17T10:02:52.243388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080378
observed 0765a8900a32388df47c04e594dc953c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.226343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080378/manifest.json
observed 0ce1db78fd8dd069d751aa716566a5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.210490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080378/publication.md
observed 540ac997a8c47272e2b3bc7bf586e48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.191442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080378/publication.txt
observed 260121014652a8dc06c8de9a4484d8cd...
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.