OpenTechnical

OT-2026-000091404

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091404) never changes.

Identity and time

Publication numberOT-2026-000091404 · never reused
Internal UUID01a0ae9c-f16d-71c1-b0a5-8cd157d5b943 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091404
StatusPUBLIC

Content hashes

Canonical text07788ce00fddf9404676064890bbdde41b03881d7cb613ccb6fa4fb4dc74278a
Markdownee3077cb07e621b2b4d17e5dac065a44033aa4d786a4b7fd11645e1506ee7c7b
PDF
Publication pagea14055142b48e3ac6d74076502bddc86980b82692afb7d3ef912ee4583564d9a
Manifestbad114661d3c6ec2a6bbc1033762054f4a8ae9a35fcaf86987e668698875eff4

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
SignaturejNcEBNYL/8uPTtnyPWCIDOLaur8sglocFD7OEj9m82f5pkA8XYlcTxiZAYrYYfXlUND3OGAP5UIB43ldIGGABA==
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

2026-09-17T09:43:37.962323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091404
observed a14055142b48e3ac6d74076502bddc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.943626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091404/manifest.json
observed bad114661d3c6ec2a6bbc1033762054f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.925152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091404/publication.md
observed ee3077cb07e621b2b4d17e5dac065a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.907490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091404/publication.txt
observed 07788ce00fddf9404676064890bbdde4...
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.