OpenTechnical

OT-2026-000089878

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000089878) never changes.

Identity and time

Publication numberOT-2026-000089878 · never reused
Internal UUID01a0ae9c-428d-7549-9e08-4bdf244f37aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089878
StatusPUBLIC

Content hashes

Canonical text2c3113236805a345eefd8523468d82c5ffd8b92b128fc55e5b5dcc79ecea4a6b
Markdowna497ec308a6e7dbf3c867cb742771b0d388109e94eb8ced64bd9a1039d04063d
PDF
Publication pageb285f5515ce18f542cc4e8ffd0cb15582ee065b84ebe9e4862ca7d1835ecdb2e
Manifestec9596e0a74a3b43bf78571fab1ad636bf74fc06c24c072436fb5cbf3b6faa5f

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
Signature1xE5cAVpF1czFT8qZBc2ti1eq7BlZCrq0czPKaylZWDRvUkpAHDetSs/gdfxvSOV7F4GqDoaZiV43lv1V2+VDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:08.282319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089878
observed b285f5515ce18f542cc4e8ffd0cb1558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.264165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089878/manifest.json
observed ec9596e0a74a3b43bf78571fab1ad636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.243052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089878/publication.md
observed a497ec308a6e7dbf3c867cb742771b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:08.225267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089878/publication.txt
observed 2c3113236805a345eefd8523468d82c5...
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.