OpenTechnical

OT-2026-000044677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044677) never changes.

Identity and time

Publication numberOT-2026-000044677 · never reused
Internal UUID01a0ae7c-39da-7f23-8416-baead6f4cac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044677
StatusPUBLIC

Content hashes

Canonical textc96f664306ed1898f401559e0c89af7ff3a9202059a706cdddd38f82e66b2c00
Markdown8b21847b2bcd7db1bbeed45ca5cbbd3db98cb5a54ea83f44058c50e2f0532cc4
PDF
Publication page7fe5a6ed56832cc0f650d5f7c2c851db7532a75ba1041cdd713883c34fef8372
Manifest7fa216ca7f0e163695e3e7f647daf63aa889d6b39077402f5b67f8cf41fd14d5

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
SignatureryicQR15spPyscQWtdcXuifw6fGqicc65vnj2rHNy6zNhUMw+JEcJlqMH/4VswfVktLe2iy1FlSwBMOpdRuADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:55.797103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044677
observed 7fe5a6ed56832cc0f650d5f7c2c851db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.778795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044677/manifest.json
observed 7fa216ca7f0e163695e3e7f647daf63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.761013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044677/publication.md
observed 8b21847b2bcd7db1bbeed45ca5cbbd3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.743805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044677/publication.txt
observed c96f664306ed1898f401559e0c89af7f...
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.