OpenTechnical

OT-2026-000061541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000061541) never changes.

Identity and time

Publication numberOT-2026-000061541 · never reused
Internal UUID01a0ae8b-7b44-790e-a7ed-4c2a2e71e913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061541
StatusPUBLIC

Content hashes

Canonical textd72b879602a365da4b84163d50fc945072b279ef44f4a3a1ab28c6985579bd11
Markdown947757f8a21e7a7050bd10c2c329f2e1e7d49a3447e8df17c5a00f3e8f96ac13
PDF
Publication page9798034c48883c536cdedcb8368a1dee4d90c66afc4693429950aeb62c83c832
Manifest00086708aa3dc69ee763e1dc7b105799d37fbb14f1ea47193e09f4c14e5222ea

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
Signature5MrZmEYai6EiCfZWETwzuErHfLoS0excecIHe9aNQ0jpERzHFaIXe/JPN8WqaiN4GDyl7Medh7wgyiTIWWA/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:26.986086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061541
observed 9798034c48883c536cdedcb8368a1dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.966315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061541/manifest.json
observed 00086708aa3dc69ee763e1dc7b105799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.947163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061541/publication.md
observed 947757f8a21e7a7050bd10c2c329f2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.928386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061541/publication.txt
observed d72b879602a365da4b84163d50fc9450...
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.