OpenTechnical

OT-2026-000050487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050487) never changes.

Identity and time

Publication numberOT-2026-000050487 · never reused
Internal UUID01a0ae82-5c48-7cc2-a879-1972aa2649c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050487
StatusPUBLIC

Content hashes

Canonical text2b96c620ab33dbe4e2ec0b0fdf31372476c88c4d975a41f2ed2b120d6adc4660
Markdownfe456b8bca7b9d5296e0afe9cff3fe3519a5af7d181eb848d609ef11d35b013e
PDF
Publication pagef9fa58f270a0f22e1f76085e6d487c7ff65f601c56121b26f41566e35c573daf
Manifestc46872f2f330d01a5d3dc2693a9c1894594a2d9fca6d12b4d050000953b94202

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
SignatureAI6XE2Wbn+8dMAkprO3prF2VT/UC04BdQOMzdi3DRsJXZH94EuTQemngmXrafh8HYWVLSjEhDoOlUTRkAhRABA==
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

2026-09-17T11:01:32.559587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050487
observed f9fa58f270a0f22e1f76085e6d487c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.544538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050487/manifest.json
observed c46872f2f330d01a5d3dc2693a9c1894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.528754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050487/publication.md
observed fe456b8bca7b9d5296e0afe9cff3fe35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.514124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050487/publication.txt
observed 2b96c620ab33dbe4e2ec0b0fdf313724...
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.