OpenTechnical

OT-2026-000011512

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000011512) never changes.

Identity and time

Publication numberOT-2026-000011512 · never reused
Internal UUID01a0ae6c-88ff-7d35-8dba-350ecad49e18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011512
StatusPUBLIC

Content hashes

Canonical textdbf0810c302eb0243a55adbcd22cd2379b0524137ca6bb55459c913702569ad6
Markdownb6605fc631a2b4e3f0c3b6bc0c74eecc4a82706e023a1f99abccd669e4b8a6f8
PDF
Publication page7d2620bb1e1fbb32b1a596d51f24345b0141e3b48a7513d522e86ef22238d5a8
Manifest8c8a0c64b01890107b8cb0970a700cf84395b3d5ec9b0d9c3cfa673c917e66a1

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
SignaturefM9X2SXcOJ2d+tIb1IKAY0AVxWjGTkhyqj6x8WIza4NaRGBEzk7ZV3rI0WWU4WtngUQIFeBPTzpruhEH88b2Cw==
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

2026-09-17T12:13:17.682544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011512
observed 7d2620bb1e1fbb32b1a596d51f24345b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.665504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011512/manifest.json
observed 8c8a0c64b01890107b8cb0970a700cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.647312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011512/publication.md
observed b6605fc631a2b4e3f0c3b6bc0c74eecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.629220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011512/publication.txt
observed dbf0810c302eb0243a55adbcd22cd237...
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.