OpenTechnical

OT-2026-000009378

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000009378) never changes.

Identity and time

Publication numberOT-2026-000009378 · never reused
Internal UUID01a0ae6b-7561-78a1-847b-3a35aa5898e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009378
StatusPUBLIC

Content hashes

Canonical text9561585f0d73797c3fc4d597a5087fa5327a9644f43b92c1b061cf7e21eb52f6
Markdown4386280fbb90b10239d99f9d8e49ffe84b7bbd6183ee4555cc84b61ebbe17f56
PDF
Publication page687225eb0c26390a8f4e14dc46602a3b5447e4dc6a0512c78688d8677cb7b969
Manifest61889348ecc228ee6699916b5716c45267eef95ee5efefc5d711c83a948c694c

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
Signature6fX/0rThV01v1iwWrcWyE2u7HEGDTv0vM0RTp2QG3iGyZwMCRdhRNtZJCFt4UqV8WEaEcp5XKC7qrxqUc9r/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:38.996843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009378
observed 687225eb0c26390a8f4e14dc46602a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.977622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009378/manifest.json
observed 61889348ecc228ee6699916b5716c452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.960660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009378/publication.md
observed 4386280fbb90b10239d99f9d8e49ffe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.941772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009378/publication.txt
observed 9561585f0d73797c3fc4d597a5087fa5...
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.