OpenTechnical

OT-2026-000012378

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000012378) never changes.

Identity and time

Publication numberOT-2026-000012378 · never reused
Internal UUID01a0ae6d-39f6-7a0c-a556-f2d57632944c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012378
StatusPUBLIC

Content hashes

Canonical text1b39126e1e265b3d5ff11232d927def593ed31e17897757b9928fa92a4c539f4
Markdownf3b4b5fb7689fb81e916af39b4474753d4a6716bcea4e9b0bf2f516e9661ba07
PDF
Publication pagee563bc8411b97449e61ae44ad5376633c4cf173ed99c53b4f57d6111da52cd04
Manifest47220eb252f0cc1c539bcedbb23aa4de2c1b73977b4af352022ca72e4317cc91

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
SignatureJFkAtD8A00SGMsN66xP4jUaYEN7s1c6sM9WqHUgrmKvVVC19G23dbjh/37GE18GqNDXYZpBMw1Y7ZqsIIlgiAA==
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

2026-09-17T12:11:51.879207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012378
observed e563bc8411b97449e61ae44ad5376633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.860929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012378/manifest.json
observed 47220eb252f0cc1c539bcedbb23aa4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.842959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012378/publication.md
observed f3b4b5fb7689fb81e916af39b4474753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.825622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012378/publication.txt
observed 1b39126e1e265b3d5ff11232d927def5...
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.