OpenTechnical

OT-2026-000018333

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000018333) never changes.

Identity and time

Publication numberOT-2026-000018333 · never reused
Internal UUID01a0ae6e-b489-7e7e-8646-a693fdb49b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018333
StatusPUBLIC

Content hashes

Canonical text4a912e29e861da08ca3ee24f4950cb5192e3ed17743b02059dd846f61ee3e2f9
Markdownf4b53e705d2fca1a0057fcf2fe54a7ed9afde7d6c0757ad109ce679d72d9502f
PDF
Publication page13b37707343a4fa822f9a86405d1a7cfc61dcf05b96dd3137767742a6a42c976
Manifestfea6e8266b1d1556c46236b3dcf0ebcb104485b6a35d2e8857febaab179180e5

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
SignaturepBnJAn3tEG9XO1VVrwD7I2OG2xnwYP/PkYqBlr9KGp2ieuHa9WioD5Aw1SaaT04nGxG7AICNraTSo1MiNmD9Cw==
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

2026-09-17T12:00:09.234325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018333
observed 13b37707343a4fa822f9a86405d1a7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.204744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018333/manifest.json
observed fea6e8266b1d1556c46236b3dcf0ebcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.167105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018333/publication.md
observed f4b53e705d2fca1a0057fcf2fe54a7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.137266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018333/publication.txt
observed 4a912e29e861da08ca3ee24f4950cb51...
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.