OpenTechnical

OT-2026-000053999

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000053999) never changes.

Identity and time

Publication numberOT-2026-000053999 · never reused
Internal UUID01a0ae85-b3a7-7408-88c3-04d45ebee70d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053999
StatusPUBLIC

Content hashes

Canonical textd18c74c03dfdf7c5a201d069ceabdea0056abdb23bf4cd70e8293be4af34a55e
Markdown7e8776d3fe09bb708992c065e069abd936aca249a1f7f58fdb8269d7b7f83f0b
PDF
Publication pagefcf0d32b84edd6d940bafef0a9b4c27096f637bbb57d26111656142ea56cab57
Manifestccfdd8326b71655e5e1c2b6b73db250cbb6fa3fa14000569468bfcc273f2c806

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
Signaturez6Zd60rxrFm5l8wCO2tYP2zuJz0dp5CNYqeASx8En6jwgEFCCLR6c8MfsqY7WAOdh5cABUpvwfg3+YeuEdOYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:19.630167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053999
observed fcf0d32b84edd6d940bafef0a9b4c270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.592319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053999/manifest.json
observed ccfdd8326b71655e5e1c2b6b73db250c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.543560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053999/publication.md
observed 7e8776d3fe09bb708992c065e069abd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.510860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053999/publication.txt
observed d18c74c03dfdf7c5a201d069ceabdea0...
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.