OpenTechnical

OT-2026-000098254

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-2026-000098254) never changes.

Identity and time

Publication numberOT-2026-000098254 · never reused
Internal UUID01a0aea1-e964-7812-936c-92e6379723c8 · 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-2026-000098254
StatusPUBLIC

Content hashes

Canonical textb77a0938f03d9605aedca4b97827d563ea61590db49c1cf396871d32034929d9
Markdown43af21bcb92b9c2673a524876d1428959ede62c079734ca1b14e983fc8ed1c08
PDF
Publication page4413eb6ff23b4fa1d36700dc193b2701fe9366535ecdcb604c5b86a03e937f65
Manifest124e3c43c80f3a60365a34a0e1c98219a3a39ef4fcec2f91e4969ccf39c6bc77

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
SignatureaAjX/TBzTWXsFhRoXUoQ42ZIxJRmtwSkeVOJXjvgiv1qubwLLy5IWdi93dWGsttOaXX6oE+gGwhMNPm3DBbzCA==
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

2026-09-17T09:31:26.496751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098254
observed 4413eb6ff23b4fa1d36700dc193b2701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.479330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098254/manifest.json
observed 124e3c43c80f3a60365a34a0e1c98219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.460614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098254/publication.md
observed 43af21bcb92b9c2673a524876d142895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:26.441902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098254/publication.txt
observed b77a0938f03d9605aedca4b97827d563...
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.