OpenTechnical

OT-2026-000082552

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000082552) never changes.

Identity and time

Publication numberOT-2026-000082552 · never reused
Internal UUID01a0ae97-8cc7-7b30-b896-81e3c4c78eca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082552
StatusPUBLIC

Content hashes

Canonical textfd6571ec3e316fdf56512c450afbd86914d87b87bdf4bd473363585a68f19cb5
Markdown2efa9f30fdaa1049a428dd11187fe322bfc8598eff336e529596461cbde96119
PDF
Publication page1b106fa22fdf5dea9b4c2a2a7db2c96e546fb9aad855023492d09b82bd562790
Manifest9c7bc90a6fe9b45e6f988aeff3c446e6ec3d57de6ed6706cd6adcdf9d32e9c8c

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
Signature9wgXvDRZfmL8Lz34+GwD4oG5Sv8e9md+40YHkPToLE9Z64zlqLfz0JvXINlEz1w8UC+coWLn7k6st26/KYa7DQ==
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

2026-09-17T09:57:59.372639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082552
observed 1b106fa22fdf5dea9b4c2a2a7db2c96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.357918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082552/manifest.json
observed 9c7bc90a6fe9b45e6f988aeff3c446e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.342419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082552/publication.md
observed 2efa9f30fdaa1049a428dd11187fe322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.325993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082552/publication.txt
observed fd6571ec3e316fdf56512c450afbd869...
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.