OpenTechnical

OT-2026-000033317

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000033317) never changes.

Identity and time

Publication numberOT-2026-000033317 · never reused
Internal UUID01a0ae75-8980-7515-9938-5f122e27fed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033317
StatusPUBLIC

Content hashes

Canonical text18766ee8e068520cf1255207a696a057e4f87604d61efb96ec74a67a2277b5ba
Markdown3a015ef73a7b3508b009b874c9fe30b9b51aba054cfffc3b57211272ae4c9066
PDF
Publication page2d60041f46bd3d00dee047e9eff4a1a718a9d7e2649f2afdcfe5c745791cd32d
Manifestc028f3acbbcb25f0bdefc2a11ec5d0b8399efd4c002cada3bec2b36a68e3f65d

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
SignaturecPl2wcbyvQQaShBlfazVVoDpE9mRXgDjWBnfep6YXC8SVcfyMkhAc/SowoJNtz1BwLWtydOuc9a8Y6dKeCj3Dw==
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

2026-09-17T11:32:04.039768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033317
observed 2d60041f46bd3d00dee047e9eff4a1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.022037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033317/manifest.json
observed c028f3acbbcb25f0bdefc2a11ec5d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.000677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033317/publication.md
observed 3a015ef73a7b3508b009b874c9fe30b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.980826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033317/publication.txt
observed 18766ee8e068520cf1255207a696a057...
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.