OpenTechnical

OT-2026-000081522

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000081522) never changes.

Identity and time

Publication numberOT-2026-000081522 · never reused
Internal UUID01a0ae97-0f71-79ca-b9a4-3f2f19d82d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081522
StatusPUBLIC

Content hashes

Canonical texta4b03caa786d2385e36e25708da21bbced5ff97ad196157bb05ef0080b189ff7
Markdown90b297d29cfa2f331b99515a8a21f455772ffc3f4a17b0f85e88ec1fc9a1b33a
PDF
Publication page625cdfdbc09cd556556aaa9e5c625716f023bf37fa21316c04e66b5076d910ed
Manifest189ef70bcb302ef324452deb5daafc567fab7290f87ab687f2a139e0f3e4d092

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
SignaturemP/BBIgLbnUjkU/sH3rrSSZ5DRe8h6wQ6QIeYbsJn/0HCZG5rcnixUp0Jf+0Ye4ntkd2cW5yXaYN4lAYZ7wTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:32.457492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081522
observed 625cdfdbc09cd556556aaa9e5c625716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.439485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081522/manifest.json
observed 189ef70bcb302ef324452deb5daafc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.387749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081522/publication.md
observed 90b297d29cfa2f331b99515a8a21f455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:32.339079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081522/publication.txt
observed a4b03caa786d2385e36e25708da21bbc...
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.