OpenTechnical

OT-2026-000098257

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098257) never changes.

Identity and time

Publication numberOT-2026-000098257 · never reused
Internal UUID01a0aea1-e964-7cd8-b666-8b0fb278340f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098257
StatusPUBLIC

Content hashes

Canonical textb27832c5c13f010fef41d3d1e8d6d02e5be553af2bcd664a543072344dd815c3
Markdownb6702e6e532fe65a02e863bfd8baec0ecf3991bc74d9b8ffdffc928319b2612e
PDF
Publication page543ed8bb68c5ad2448a4c59a3be0cbf7077f925a1aca1090399b5d57c3e5e509
Manifest40a43cfb5b16be9ec5c355be45b2e6583970e2895aab4e368d6d01f06a274f1c

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
SignaturergMtInWvPv4zqKD5anyKmMKnf9G4IiiSSHBiuwYQHab2KXlw2fG7ACVgr16SIZvWVJkXEclI2OperRIsyxfsDw==
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

2026-09-17T09:31:26.720461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098257
observed 543ed8bb68c5ad2448a4c59a3be0cbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.701603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098257/manifest.json
observed 40a43cfb5b16be9ec5c355be45b2e658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.683523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098257/publication.md
observed b6702e6e532fe65a02e863bfd8baec0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.666225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098257/publication.txt
observed b27832c5c13f010fef41d3d1e8d6d02e...
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.