OpenTechnical

OT-2026-000056507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056507) never changes.

Identity and time

Publication numberOT-2026-000056507 · never reused
Internal UUID01a0ae87-7af5-792a-8d53-1de9ae609af0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056507
StatusPUBLIC

Content hashes

Canonical text691c4a70af7297c5fb121e2c2748f3e923df36dc23ef742d41ab167c6aa850db
Markdown666cbf4d3fd4680b17f748d97e4760e8a747b9e1863d4883350d55784241d806
PDF
Publication page4af53138c6e7252f4b19e5a84f8615d84fe6806d0ace13ba167d1d7c16945b00
Manifestefe81242ef0a89a088a9215858ef10b3d1c4d903f30b7f7e664183f5e3d383f8

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
Signature8PY/AXtXzBF0G3wsKC3BhHFD7Y5yNQk2tepKseND3yRtYFR+JycSojHmANvvBvnbVniXS0LaeWU8YbLBvv5sCg==
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

2026-09-17T10:49:49.716451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056507
observed 4af53138c6e7252f4b19e5a84f8615d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.698490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056507/manifest.json
observed efe81242ef0a89a088a9215858ef10b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.681453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056507/publication.md
observed 666cbf4d3fd4680b17f748d97e4760e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.659973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056507/publication.txt
observed 691c4a70af7297c5fb121e2c2748f3e9...
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.