OpenTechnical

OT-2026-000104023

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104023) never changes.

Identity and time

Publication numberOT-2026-000104023 · never reused
Internal UUID01a0aea5-341e-7983-8141-9c2f779d7bf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104023
StatusPUBLIC

Content hashes

Canonical text7a9a071acf4de5339d2ae49f40c21ba0b24e34e6ff3cfadeea236de2db0f7145
Markdown144478177d13363a3e780e0cfab0833a71d4d7d509065862608d731d57c712bc
PDF
Publication pageb425ebbdff84601c21b5e8abec0e93c3303f26af27be4f77c421a8dc4d8a5f7f
Manifestcdcc34ea0d3442211bec67a648bef47d7dd6f3a1ba46535b0fd3d6351f725fea

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
SignatureF+WLU31CQV5dqRPoGHc0eMTw3+2Sz1REC53l/OVxFHfMzx/bzwAt4CBO0cOQEwbwdmbkw7ZYlld0STutaaTEBg==
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

2026-09-17T09:20:05.020570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104023
observed b425ebbdff84601c21b5e8abec0e93c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.004020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104023/manifest.json
observed cdcc34ea0d3442211bec67a648bef47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.982951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104023/publication.md
observed 144478177d13363a3e780e0cfab0833a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.964833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104023/publication.txt
observed 7a9a071acf4de5339d2ae49f40c21ba0...
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.