OpenTechnical

OT-2026-000025298

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000025298) never changes.

Identity and time

Publication numberOT-2026-000025298 · never reused
Internal UUID01a0ae71-5fa6-7a67-936e-9ebbdc527d00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025298
StatusPUBLIC

Content hashes

Canonical textefa1fe0ede255f2b63fa8fe67a5f3e54b078ad199657c8855b5c6a16557e8345
Markdownd6a52193572feb9e9bf0efcec89b00197378e54506c615c8aaaff7fccd9201da
PDF
Publication page4d5f76e6c5c4199855de38dd22b7eea75d32b88f3690a22d751ba488fcb867fe
Manifest0d20d5a9c9d1d5fac64a0326258b4343b568054460d4f6de6b216ca87cf99bbd

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
Signature78gxEy01WWTO4Hafg7IrRzTgG3gL8VScccS6hsEIOQK+RfCHxe9gCbTxqZ4mot3Ogw0tT6hghXBo68cIxe0vBg==
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

2026-09-17T11:47:18.946609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025298
observed 4d5f76e6c5c4199855de38dd22b7eea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.927726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025298/manifest.json
observed 0d20d5a9c9d1d5fac64a0326258b4343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.906287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025298/publication.md
observed d6a52193572feb9e9bf0efcec89b0019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.889934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025298/publication.txt
observed efa1fe0ede255f2b63fa8fe67a5f3e54...
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.