OpenTechnical

OT-2026-000042218

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off 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-2026-000042218) never changes.

Identity and time

Publication numberOT-2026-000042218 · never reused
Internal UUID01a0ae7a-5d72-705b-b692-e777e080ee94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042218
StatusPUBLIC

Content hashes

Canonical text081f31d8a3d65ec8cb70c9cb2829ffc5f2ebf71bfcd7f9a154a1c40951289baa
Markdownb2875079da66e717e3b523bad70f5ad06c5f19beb8f812cc28723ce23a4dcc7e
PDF
Publication page260c040b9234c01b77acba2de5f899f969f035da5c45095c7aded1467f716d20
Manifeste94d33207b159324013a9ad3ebd48c11932ba8df1dd0d538bb5c65477a95d65f

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
SignaturepnqZNLwZmpDZ7T/BBGL3I7s/+/TI17kABTMUCWV7tktErhjRpDejceqY+kdfvi0GayE4MA+eXzv0afYK/M6EDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:53.415964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042218
observed 260c040b9234c01b77acba2de5f899f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.396700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042218/manifest.json
observed e94d33207b159324013a9ad3ebd48c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.378939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042218/publication.md
observed b2875079da66e717e3b523bad70f5ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.360359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042218/publication.txt
observed 081f31d8a3d65ec8cb70c9cb2829ffc5...
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.