OpenTechnical

OT-2026-000054779

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000054779) never changes.

Identity and time

Publication numberOT-2026-000054779 · never reused
Internal UUID01a0ae86-1285-7ae4-aba8-44bd99dd8cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054779
StatusPUBLIC

Content hashes

Canonical textda6efaafb7ae16b523aa3840955478516157cd8f7762c47c4d83e0d0f30fdf8b
Markdownc2b7f13df1ecf6947ae58a17f70745e6699cdded54b630e3fe01d673ed5761d3
PDF
Publication page13015630d1a93d81259b2f43bbdfc3763e7eef15f505db3a6e071e3a3290d6e3
Manifest20fc449f1c81418d37ebe9b53426ad07d9bc866299a82453e1b9a0bd47660844

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
Signaturekt7a2en1vKD/uO67oOjknTzvvuL2TnsNyg7AjIytsPi62tZqVNhZisxyHvDE/6Bw8qFU18Cx+Gt8747aSpoBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:58.522457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054779
observed 13015630d1a93d81259b2f43bbdfc376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.503997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054779/manifest.json
observed 20fc449f1c81418d37ebe9b53426ad07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.485885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054779/publication.md
observed c2b7f13df1ecf6947ae58a17f70745e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.465189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054779/publication.txt
observed da6efaafb7ae16b523aa384095547851...
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.