OpenTechnical

OT-2026-000091361

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091361) never changes.

Identity and time

Publication numberOT-2026-000091361 · never reused
Internal UUID01a0ae9c-f16c-70f5-93e7-68131db0a576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091361
StatusPUBLIC

Content hashes

Canonical text770d5e541b611f1c44004c67d706eb75e327e3ad1d05be49701fef7a043bdf4d
Markdown792398349f6def4303bfcd443f7364b0b959bd9b77b9f6b6111325426219cdeb
PDF
Publication pagedd80c017ce9400cb68ff3f224abb63a7bb8cd18b699a5e16c8d2089184f71c51
Manifest6c94cd2d139e77f7e9d8701bb807a8f2846b4bdd98679fb203a1f7fba72eff9e

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
Signaturey2bVGE1ZAl+BtyEvj06aAASw2yG2NCSSI2hH4B0aBySzmjv9MVRBxM49DDvXnETPWpqH3R8OGO81N4DBq9IVCQ==
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

2026-09-17T09:43:34.657903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091361
observed dd80c017ce9400cb68ff3f224abb63a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.639361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091361/manifest.json
observed 6c94cd2d139e77f7e9d8701bb807a8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.621483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091361/publication.md
observed 792398349f6def4303bfcd443f7364b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.595937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091361/publication.txt
observed 770d5e541b611f1c44004c67d706eb75...
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.