OpenTechnical

OT-2026-000031065

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000031065) never changes.

Identity and time

Publication numberOT-2026-000031065 · never reused
Internal UUID01a0ae74-3fb8-7051-85fd-890211caa72c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031065
StatusPUBLIC

Content hashes

Canonical textf007217d488e0fcc834a26be616462e2865c831f003ad171fa7a95edc176d082
Markdownce58280587060273a877dfea8b3aa9d0f2d7352be2a872af33eb83a325a82923
PDF
Publication pagee57c574417d8999cc2616c9523120cb6f6ec31c5e66b74b2b6dbf2016f973c59
Manifestaa082817ced3f779a2995825b785f9df9b18c986a01d4e7691cce8dfb1820323

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
SignatureqoP9bHi1rGTs4gxmW10L1Wgnyp+rsqiVw1gULd9ezv2HOcxMtR+mGCfVPTXIDtlFK3wdahzl1FB7+3/AytyXDw==
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

2026-09-17T11:40:10.392086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065
observed e57c574417d8999cc2616c9523120cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.370035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/manifest.json
observed aa082817ced3f779a2995825b785f9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.350379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/publication.md
observed ce58280587060273a877dfea8b3aa9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:10.330532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/publication.txt
observed f007217d488e0fcc834a26be616462e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.066289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065
observed e57c574417d8999cc2616c9523120cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.048698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/manifest.json
observed aa082817ced3f779a2995825b785f9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.031800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/publication.md
observed ce58280587060273a877dfea8b3aa9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.015066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031065/publication.txt
observed f007217d488e0fcc834a26be616462e2...
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.