OpenTechnical

OT-2026-000051893

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000051893) never changes.

Identity and time

Publication numberOT-2026-000051893 · never reused
Internal UUID01a0ae83-7c85-73d5-bcb8-6dff495130d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051893
StatusPUBLIC

Content hashes

Canonical text56d9831b756275644d2585380cf84683d2f880e133dfadf81baeb0646e9abaf0
Markdowncaab7ccb839707674ada5985a11495ab432763b4447936e1b98f49114a5bd12f
PDF
Publication paged581a85a70371da364478a95b3fc852b35014197e7887d0cbf7f2017afccfac4
Manifest0c8020ddfbade644a2f58f313252c5015a3b4e2e8d77881af0ef2ef78083fb37

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
Signatureb9Vmg3HrrE6dUiwCxsR7Z+W0Ofq5Pu8M0z6sPiGJDpHusOf1MAmjqsHwMsWtkO11k0wSBfyfu3Lp7XACbag9Dw==
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

2026-09-17T10:58:51.352235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051893
observed d581a85a70371da364478a95b3fc852b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.333845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051893/manifest.json
observed 0c8020ddfbade644a2f58f313252c501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.315519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051893/publication.md
observed caab7ccb839707674ada5985a11495ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.297155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051893/publication.txt
observed 56d9831b756275644d2585380cf84683...
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.