OpenTechnical

OT-2026-000042871

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000042871) never changes.

Identity and time

Publication numberOT-2026-000042871 · never reused
Internal UUID01a0ae7a-c0d1-7c0c-890d-f05e036598a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042871
StatusPUBLIC

Content hashes

Canonical text1968fdebca2cbc88b76b572ae48b6841da1f89cc51a6eb8678124270c2ebe913
Markdown488afb5ffbd163bccb860f83e5321cc0bb02cb0b0931a181ce820f6f087b7107
PDF
Publication page67bf9e1b1fe52b4b97a8583cae4348f076f71803073c8f20d0cc6e703cad6d37
Manifestd57233966456459c8868f4c8f507d49c047b795c7248a40f504976ebe7803cc7

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
Signature0Alq7xPf7z/wfxUL8yQJyHF9qcVh7cWEym8x85SD0pTVIAWAiouFyLUNlYwTqxDajg5/1QDFuTIiPtRMXJIZBQ==
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

2026-09-17T11:15:22.063674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042871
observed 67bf9e1b1fe52b4b97a8583cae4348f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.044168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042871/manifest.json
observed d57233966456459c8868f4c8f507d49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.025916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042871/publication.md
observed 488afb5ffbd163bccb860f83e5321cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.006587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042871/publication.txt
observed 1968fdebca2cbc88b76b572ae48b6841...
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.