OpenTechnical

OT-2026-000066167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066167) never changes.

Identity and time

Publication numberOT-2026-000066167 · never reused
Internal UUID01a0ae8e-8dc3-76e5-8ef8-4a8e9621baee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066167
StatusPUBLIC

Content hashes

Canonical text38399fe3ce70ef9a0365edf537e4d1378fc89d049bd78550e362d51506582037
Markdowndd025f68249d285f2a09ef037a3fb57aafc72e2ae383fda7f8018eb91ad40729
PDF
Publication pagea05c59b9524ba1361a780ed7cef25fda2458176017d2ae59fcf413d8ab17e46e
Manifest3a192b24b503637d8665e39d5ab5f2f6f949390111b3d06f1a5f9da8066850d9

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
SignatureUW0SHSf3Tf9teKVTmh2AR9pxl1AmhBaqQ5+lQ6UCyilwgUhxaPn02/2IYbp3eBSokUuDA6k+amxtxBUufyXZCw==
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

2026-09-17T08:51:07.035356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066167
observed a05c59b9524ba1361a780ed7cef25fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:07.017547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066167/manifest.json
observed 3a192b24b503637d8665e39d5ab5f2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:06.997461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066167/publication.md
observed dd025f68249d285f2a09ef037a3fb57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:06.978874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066167/publication.txt
observed 38399fe3ce70ef9a0365edf537e4d137...
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.