OpenTechnical

OT-2026-000030085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030085) never changes.

Identity and time

Publication numberOT-2026-000030085 · never reused
Internal UUID01a0ae73-ac4a-7455-9eed-f8202994b472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030085
StatusPUBLIC

Content hashes

Canonical text9a1a2d253fc261ec73f6f8868e5893b96aff398a982292a27d2db3c725acaa77
Markdown559333cfa47941d0eac2c5788a4f75873b984c6ebc5054c14b20d5e0dcaf9214
PDF
Publication pagebfd14361732aa3191769cde1bbfeca08585baeb9b77f742ea096f508f4405438
Manifest1e55934b0849efe4717803710ccf3508781251ae6d5bb3ae18c5ef07b057b24f

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
Signature3WPV+KZQ3/0ANcMEmft1EVRTCcJzfw8ZeTY3oVyKmrYfz3MZXIIQ+MYxP4W/xR5QNxqikA8/NbsLS2N5pbWlAQ==
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

2026-09-17T11:38:49.992849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030085
observed bfd14361732aa3191769cde1bbfeca08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.975511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030085/manifest.json
observed 1e55934b0849efe4717803710ccf3508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.960345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030085/publication.md
observed 559333cfa47941d0eac2c5788a4f7587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.943846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030085/publication.txt
observed 9a1a2d253fc261ec73f6f8868e5893b9...
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.