OpenTechnical

OT-2026-000074594

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074594) never changes.

Identity and time

Publication numberOT-2026-000074594 · never reused
Internal UUID01a0ae93-717b-75f6-bcce-2cb6670f3f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074594
StatusPUBLIC

Content hashes

Canonical text77cf611c132f31765f756fedcbbc359310ce4d6eeb3d5327020fe56f15ebbca2
Markdown8ddf49a13c52552cbce51d0b997503ec428ae685f7e5ed778e9a2ee2acdc4fbf
PDF
Publication pageb53242e801bccd6e2f3925c0de6e379c9a265ec24237e0281a3ca7eb54641bc0
Manifestd697becc788e883da39618894cc8e217c3b5d553801a87cb68e997209ca2f7fb

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
Signatureg6wuC+blFIKj2dMTPTCz4BE4OoypzQV3B2xnq0TO84Xgy1mse37YBRrwW1so+xmOlLfNTm7yswo0UI7BJkkwBw==
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

2026-09-17T10:19:37.087302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074594
observed b53242e801bccd6e2f3925c0de6e379c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.068595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074594/manifest.json
observed d697becc788e883da39618894cc8e217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.050192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074594/publication.md
observed 8ddf49a13c52552cbce51d0b997503ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.030802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074594/publication.txt
observed 77cf611c132f31765f756fedcbbc3593...
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.