OpenTechnical

OT-2026-000012481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012481) never changes.

Identity and time

Publication numberOT-2026-000012481 · never reused
Internal UUID01a0ae6d-39f7-7eee-ae5d-339813742dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012481
StatusPUBLIC

Content hashes

Canonical text40d3428783a004c0784afd3527fa072958e8bb5be52e625cda173c5808f58688
Markdown9af807b0bb8f39839654a5ea5526f35e5d801446ca356f18e21476fe0693a8ee
PDF
Publication page71717d1a834fbb6a277d137864bfcb8075f38e0b86c30a5f88904ddf84e53f12
Manifest0adffa9a4a86fd38eba9bbea6ae19e706e701825c71c9177e6a8c68e3e7a2a4a

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
SignatureGuxcpTXCVi/TbYBGGdq0t+A3Sn3F9xi43n9CK5iorIx8MlqzRe0ftszV9oXXxkxuUfMM2eMGd6rSo0XJ45NtAQ==
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

2026-09-17T12:10:58.725648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012481
observed 71717d1a834fbb6a277d137864bfcb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.703756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012481/manifest.json
observed 0adffa9a4a86fd38eba9bbea6ae19e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.679113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012481/publication.md
observed 9af807b0bb8f39839654a5ea5526f35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:58.654741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012481/publication.txt
observed 40d3428783a004c0784afd3527fa0729...
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.