OpenTechnical

OT-2026-000100034

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100034) never changes.

Identity and time

Publication numberOT-2026-000100034 · never reused
Internal UUID01a0aea3-1474-7eaf-bad8-2cee4f4d40df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100034
StatusPUBLIC

Content hashes

Canonical text4cb242e1d866b76787b439653b8aeb3a62b9c05a9ade5b9c5d7fe1f4d298f8a2
Markdownb3cadd2dff2ac06dfed63da09b720f029d305e581668f918e93d2d3651db9b8b
PDF
Publication pagef7010f240fc9ebd253292002a455d5227c5914b471af047c9e1c83ec8b232493
Manifest8dda83c8aab2008053cef043a79a8ccd5a547fc14360fe2f82260b85720c8225

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
Signature4BO1LA18Nh+z3qj7Q/jOMhZX776b9ws3PnYUMWJG8wFpPoNlouxf2aAoyAII0fpzU8J/QUGaQD8QGSVGtTM2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:58.224063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100034
observed f7010f240fc9ebd253292002a455d522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.205479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100034/manifest.json
observed 8dda83c8aab2008053cef043a79a8ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.185607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100034/publication.md
observed b3cadd2dff2ac06dfed63da09b720f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.166675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100034/publication.txt
observed 4cb242e1d866b76787b439653b8aeb3a...
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.