OpenTechnical

OT-2026-000015837

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000015837) never changes.

Identity and time

Publication numberOT-2026-000015837 · never reused
Internal UUID01a0ae6e-0c4c-7403-8069-cfa1487d6fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015837
StatusPUBLIC

Content hashes

Canonical text885a72be1812ef0b0d6b65fac7f5633f762bd4a0940b4ba86a99cb3ec93b6223
Markdown126b689ad42e1c9fc5054c9d8dbb7c889ffc1900e04087237ef80b55c26560cc
PDF
Publication pagee0ad2d6955f2d36f25ed1c50d23a1165b012280d5909c7bb69f3d2b6e2b907cc
Manifestd44c4dd7a817de4780185cc3e4760a69c74546806cdec1514a9b8ec403ebb0f8

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
SignatureLC1L5DeIZAZDgaw38ipNBOGCjB9frphmSLb0PGMgE/btgFlydfdbjh9B9ahJH8kDdMfEXkvQJQveP9YtXz4CDg==
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

2026-09-17T12:05:09.498808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015837
observed e0ad2d6955f2d36f25ed1c50d23a1165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.480546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015837/manifest.json
observed d44c4dd7a817de4780185cc3e4760a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.462455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015837/publication.md
observed 126b689ad42e1c9fc5054c9d8dbb7c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.444435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015837/publication.txt
observed 885a72be1812ef0b0d6b65fac7f5633f...
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.