OpenTechnical

OT-2026-000074816

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000074816) never changes.

Identity and time

Publication numberOT-2026-000074816 · never reused
Internal UUID01a0ae93-ac2c-770f-a5a3-4c96e91ec9c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074816
StatusPUBLIC

Content hashes

Canonical text22459edcdcc86976f39751966a9859ebdd1cf4344935d2362b7913c1d178e8e5
Markdown06543e6c1e2df338ded3ec43a2ec9e76600887a0611d0f17a5e4b4a75e77fa2c
PDF
Publication page4fbbe2ec1f80ec8266ab7fea22ca708935c2eb8f042ec0e5c41b07ca52a51a40
Manifest800f215c42d7f430680318f242ee8b0f9ffc0dfbc5fabc84f3699180c2f022f8

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
SignatureOKOdFjUxtrdcPQxqLn2SIvH/0hju4+D1WZMywgpLuWkOMxO13cu/ZP7uqLYbtRrEWATBDMxFRNuauG/6JatzCA==
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

2026-09-17T10:18:31.453934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074816
observed 4fbbe2ec1f80ec8266ab7fea22ca7089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.437077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074816/manifest.json
observed 800f215c42d7f430680318f242ee8b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.396477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074816/publication.md
observed 06543e6c1e2df338ded3ec43a2ec9e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.357490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074816/publication.txt
observed 22459edcdcc86976f39751966a9859eb...
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.