OpenTechnical

OT-2026-000015297

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000015297) never changes.

Identity and time

Publication numberOT-2026-000015297 · never reused
Internal UUID01a0ae6d-ef48-7564-8b8a-463cb02a7045 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015297
StatusPUBLIC

Content hashes

Canonical textcb80810ffe5a5193e359e4ef6aa74e2cb48150eb84ac22f016ec243b78a87aa1
Markdownc5542884a814bd915a2f7a12ce6a46a68cb33e4efc156412a579caca134a353c
PDF
Publication pagef002ce2ec218d5513478a6394af000246d46b55f210b10081a8140d00e86cfa5
Manifest6bb0ea35b21ba70da9d776bfe56a4d41ab590a5fee4a5bb67ca58063758fc3bc

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
SignatureZrN638pdmPhoO3WrQRMrJBjmROhEMp7gFsHB4Li9wVJfgZ50bNzhq7EPRPDs41LM5DHi2jCYMyNQjppm3H9wDw==
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

2026-09-17T12:05:59.127745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015297
observed f002ce2ec218d5513478a6394af00024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.108959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015297/manifest.json
observed 6bb0ea35b21ba70da9d776bfe56a4d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.090290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015297/publication.md
observed c5542884a814bd915a2f7a12ce6a46a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.071037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015297/publication.txt
observed cb80810ffe5a5193e359e4ef6aa74e2c...
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.