OpenTechnical

OT-2026-000080178

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000080178) never changes.

Identity and time

Publication numberOT-2026-000080178 · never reused
Internal UUID01a0ae96-7e76-7eeb-95fc-c00f14f2f8cf · 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-2026-000080178
StatusPUBLIC

Content hashes

Canonical textad0d5f8f0db19c84bdda263005802c1a885ebb7f4b73dc96ecdaefa285f3d467
Markdownc3f73dfa0d0aca97d211b042cf4422c376e19044c5d696d9b917211fbac5ec7e
PDF
Publication page65d64b7931a584e842790730cb9b4be85c5b8a2a7befa1d1949d696a92a2148d
Manifest4937b04081ce9ffac40af3a8370131bae4ad942d56892ac752b553f63eb61c5e

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
SignatureQFxU3oviqWO7n/Ns/HsNZEDkOatIQV5BW/QPhP6YOOVzGMYySN3yJNzQsd2VH5u9PZAL0oXJNY28hJdN9tzSDg==
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

2026-09-17T10:02:36.915206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080178
observed 65d64b7931a584e842790730cb9b4be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.896125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080178/manifest.json
observed 4937b04081ce9ffac40af3a8370131ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.878298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080178/publication.md
observed c3f73dfa0d0aca97d211b042cf4422c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.861308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080178/publication.txt
observed ad0d5f8f0db19c84bdda263005802c1a...
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.