OpenTechnical

OT-2026-000007820

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000007820) never changes.

Identity and time

Publication numberOT-2026-000007820 · never reused
Internal UUID01a0ae6a-908a-7a03-808b-1bb02bdc2d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007820
StatusPUBLIC

Content hashes

Canonical text59078c82735e0476c1b1f75f98039ce9b42759d5e8166eef57d286612ce30316
Markdownb35e3d70e3c1f9f11ce2dd31cda412a3da32862dfb7e265968cb0a364996cf17
PDF
Publication page36cb48e7b46217fba7b195b26798fe60dcb40e36c8b6e3fd5d8210489e56d383
Manifest83994db6cbb677dfcc8019558dd3ec61d24957c9e3a6604ed1d2aa005cb97a20

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
SignatureYETHSqcG1tO0XbODqfjgVI1TONIj8OiY/mTJjsrdEmV0aJ9lY3KVpVcVaWA1YxwGrUTEgLIZ9htc1aq93lXiDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:16.005698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820
observed 36cb48e7b46217fba7b195b26798fe60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.987339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/manifest.json
observed 83994db6cbb677dfcc8019558dd3ec61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.968253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/publication.md
observed b35e3d70e3c1f9f11ce2dd31cda412a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.947645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/publication.txt
observed 59078c82735e0476c1b1f75f98039ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.980712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820
observed 36cb48e7b46217fba7b195b26798fe60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.962471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/manifest.json
observed 83994db6cbb677dfcc8019558dd3ec61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.943498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/publication.md
observed b35e3d70e3c1f9f11ce2dd31cda412a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.924070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007820/publication.txt
observed 59078c82735e0476c1b1f75f98039ce9...
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.