OpenTechnical

OT-2026-000100513

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000100513) never changes.

Identity and time

Publication numberOT-2026-000100513 · never reused
Internal UUID01a0aea3-66f0-70e1-81f2-645e1f41b34a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100513
StatusPUBLIC

Content hashes

Canonical text803a381b6b184e18927352345a4d0ad16a626b046d39716a9575898a299dbd31
Markdown9a1417876b0120d113eb0cd413bc0cb85c2d854b5b89bf53b15163ea7a5dd0ca
PDF
Publication page5c448d3aabd92dd92cd2f0c33cc71e6a3d3fdeb86e7ad1af6f2a9ca91862d624
Manifesta9aa1b77875288e5d1a46297b53ee0e9ba33f6d837bbfcec29287ee085bd605e

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
SignatureYGkbob0SwdwK/R47ln0nwsl4LsWJDBhZYwMFwhgdGMoNHn2HLgWXsX3w9wjS+8UTDbP+UMyEoycPNFgAskqDDw==
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

2026-09-17T09:27:16.771462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100513
observed 5c448d3aabd92dd92cd2f0c33cc71e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.754770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100513/manifest.json
observed a9aa1b77875288e5d1a46297b53ee0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.737932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100513/publication.md
observed 9a1417876b0120d113eb0cd413bc0cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.720609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100513/publication.txt
observed 803a381b6b184e18927352345a4d0ad1...
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.