OpenTechnical

OT-2026-000029798

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029798) never changes.

Identity and time

Publication numberOT-2026-000029798 · never reused
Internal UUID01a0ae73-5e24-7d0f-a188-48005ff1f92f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029798
StatusPUBLIC

Content hashes

Canonical textd49152654d65706d280d38a94b8811efd5daace61ab9ea71c505dde6e7bbe34c
Markdown7977d2f61c298f4aa113eaa8bd49b862d0a64dfb2d5fc38646f033a157ff76ee
PDF
Publication page9ebba71bc2246f4834001953ea5ad34cb2e477e3dd070b4cc3e00124ac07faa2
Manifest4a81110382c6df9cef1932f0eff6f58956ef4c871caabc9678722c1d4955676f

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
SignatureB6Pjjh2u60IYSbCHb55YUuVESNIE0oxXXf3/OD4frGyU1XStY5bCZXf3myOdOMnPkkudq99RhQQH1S7qHwkMBA==
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

2026-09-17T11:39:34.164869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029798
observed 9ebba71bc2246f4834001953ea5ad34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.148762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029798/manifest.json
observed 4a81110382c6df9cef1932f0eff6f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.131388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029798/publication.md
observed 7977d2f61c298f4aa113eaa8bd49b862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.113639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029798/publication.txt
observed d49152654d65706d280d38a94b8811ef...
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.