OpenTechnical

OT-2026-000071915

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000071915) never changes.

Identity and time

Publication numberOT-2026-000071915 · never reused
Internal UUID01a0ae92-47c0-7efe-b18a-7b61dd8279d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071915
StatusPUBLIC

Content hashes

Canonical text31fb6b7f74a700ee5778c23b7eefd722f043066c0d618771df11ae492876f381
Markdown4be8574ac18b81ccea2d557c22b9620e9e199483b09190ca5b61fc129d69916e
PDF
Publication pagea336ed38390658e3d24ad746f4e4cf2f8a078867cd69ddf2cc8d3897f2f6f1f4
Manifest2175db59933cbc2a2170383ebe9027d11b90b880742472f953b0c5ad233a75f0

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
SignaturesQTG1a/fYDIE44brBWrBI3Egbzk+mSLwkZMQYhJ2yw7lWMtkQilrcoCTQlEA2EI7H2k6uNBXTGIfJWnJx0xhCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:56.463843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071915
observed a336ed38390658e3d24ad746f4e4cf2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.445309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071915/manifest.json
observed 2175db59933cbc2a2170383ebe9027d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.428001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071915/publication.md
observed 4be8574ac18b81ccea2d557c22b9620e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.409954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071915/publication.txt
observed 31fb6b7f74a700ee5778c23b7eefd722...
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.