OpenTechnical

OT-2026-000026148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000026148) never changes.

Identity and time

Publication numberOT-2026-000026148 · never reused
Internal UUID01a0ae71-a840-78d5-9ed1-83e5715b6589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026148
StatusPUBLIC

Content hashes

Canonical text1746770a9a566aa410e668f8c4f15eded30d4e86648e7342b36daa27ea81dfcc
Markdownb291ae96105aa85cb21dc785e1b25a7df9397b7f620cbdd3a55bf525ee8f11f7
PDF
Publication page36bfc0e52350df186d0b163a397e05b39e3ce5998338c12bbac441fd3eefd996
Manifeste55994154f391edc4f429e005433447400bc365a9c306afeed865621be5bd5c4

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
SignatureJ12PzjKrQqMBzL26TisRDuXSnFkmwke8liMcnVSZNH8sPyo2CR2aKX9kbKQewzwrgu/FDAQTZbhQr0aLvvrHAA==
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

2026-09-17T11:46:39.293283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026148
observed 36bfc0e52350df186d0b163a397e05b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.275393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026148/manifest.json
observed e55994154f391edc4f429e0054334474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.257356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026148/publication.md
observed b291ae96105aa85cb21dc785e1b25a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.239690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026148/publication.txt
observed 1746770a9a566aa410e668f8c4f15ede...
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.