OpenTechnical

OT-2026-000032217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000032217) never changes.

Identity and time

Publication numberOT-2026-000032217 · never reused
Internal UUID01a0ae74-f7a7-772c-a072-6906855c120a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032217
StatusPUBLIC

Content hashes

Canonical textfb4983c38c3d3c2c14889d35d294fee6ae5fa6900cfd2205293bc22a4a2b6aa1
Markdown31de73cdde68f8b29cacb407f8c4df0cc8cd88771204974807a81cce32ab5ae4
PDF
Publication page6a3958387a12ffb32ea45d51f748af001cf028af5987c9873e65c14703aa2ad0
Manifest7c4081fd6ad2fdde3f64e5e638da77a8cebf102615e7328fbd06986f8d61b210

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
Signature7sc2o6hYpBexnt/yMbEOEqnid2bn9pvHbxlAVR5LYoBTUows3z+QHsdV8ZLb06mQT1ni87LrR0J9/iKlloqfAw==
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

2026-09-17T11:34:33.988915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032217
observed 6a3958387a12ffb32ea45d51f748af00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.972594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032217/manifest.json
observed 7c4081fd6ad2fdde3f64e5e638da77a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.955576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032217/publication.md
observed 31de73cdde68f8b29cacb407f8c4df0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.935988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032217/publication.txt
observed fb4983c38c3d3c2c14889d35d294fee6...
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.