OpenTechnical

OT-2026-000077368

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000077368) never changes.

Identity and time

Publication numberOT-2026-000077368 · never reused
Internal UUID01a0ae94-f509-7bb7-8cc6-4225a3d6f0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077368
StatusPUBLIC

Content hashes

Canonical text748c6a6b1e0d2ec2fb1b999e04f3b989f93e1bd6f39a2156f466aafdd4a07f9a
Markdownc56e3c384f5ec792cfe0f6e31c1858434083f758b88384c14fe144dde1f4b3d0
PDF
Publication page1b53ea257c94ab0dde7b6f97a72422980d55ba1caf608a0945d76b4ea2567f83
Manifest9c97b46c36ca434b4a5d57daf7c3c23c34b18a50687dbfb2cff95aba7748ed8f

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
SignaturepqxEAhXQy3EM3qLHUN+v8nuccEojV0oHMorPU1jjI+KyM27W2B2ZigoJjSP4MNNZfrdIAKTytv/PlxVhbGD3AQ==
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

2026-09-17T10:11:03.260964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368
observed 1b53ea257c94ab0dde7b6f97a7242298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:03.241809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/manifest.json
observed 9c97b46c36ca434b4a5d57daf7c3c23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.792570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/publication.md
observed c56e3c384f5ec792cfe0f6e31c185843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.772285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/publication.txt
observed 748c6a6b1e0d2ec2fb1b999e04f3b989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.472389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368
observed 1b53ea257c94ab0dde7b6f97a7242298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.454147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/manifest.json
observed 9c97b46c36ca434b4a5d57daf7c3c23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.437043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/publication.md
observed c56e3c384f5ec792cfe0f6e31c185843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.418335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077368/publication.txt
observed 748c6a6b1e0d2ec2fb1b999e04f3b989...
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.