OpenTechnical

OT-2026-000031278

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000031278) never changes.

Identity and time

Publication numberOT-2026-000031278 · never reused
Internal UUID01a0ae74-87ac-7252-ad28-3b7f5ee7ad0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031278
StatusPUBLIC

Content hashes

Canonical text1ef9defb97281cee6400c6c0bb42db7e9a7563551fe6e3afdc48d5d8f7abcb14
Markdowne180bddfa96ba1e3ec83dcd4937a9de663fde7426cec87fa4466bba8362eb852
PDF
Publication pageb47872204fb1037a5336948d589fa889af212eedafaa9aacd4ff0b076f53bcfe
Manifest1d7b3be675cdac199902b38895108de842b596f3f143d7a5b5f8f1d465d1b2a5

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
SignatureyC+8hMcF1qu2gnpRCgy1mTFLNZwnE50jmxusRHujGLrvDVLuWxm/hoxpR78+OxbOTVqlF91wUfc1zzzU0dcKBg==
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

2026-09-17T11:35:51.591823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031278
observed b47872204fb1037a5336948d589fa889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.573362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031278/manifest.json
observed 1d7b3be675cdac199902b38895108de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.555913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031278/publication.md
observed e180bddfa96ba1e3ec83dcd4937a9de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.539024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031278/publication.txt
observed 1ef9defb97281cee6400c6c0bb42db7e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent