OpenTechnical

OT-2026-000027462

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000027462) never changes.

Identity and time

Publication numberOT-2026-000027462 · never reused
Internal UUID01a0ae72-6998-72f4-9f4e-e2e3b1653e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027462
StatusPUBLIC

Content hashes

Canonical textf5bde208595a2fa40aa1f9dc898b5449cfff9754ed1fd0b4acf70dcb18d4addf
Markdown70b7d9d400687a5d7110cb5c1f98e481250e841088457328e3941a89b452f53a
PDF
Publication pageb80507da719ffbe0aa16aaed3cadc99ba15bd789af2b29177792429b95cb85ae
Manifest473eb4d17eeee2de63d138b8eae37a27cc7324518d6fb6dcd332b31c23c28ceb

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
SignatureMa1z3T/te3qPQh/jxl8AmtUgY9ysKQhXRkrVS+8CENE9YQMmj1frNXksUuP5Mrvf1HRc9Tart2vPITWnWiYrAQ==
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

2026-09-17T11:42:55.278810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027462
observed b80507da719ffbe0aa16aaed3cadc99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.259747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027462/manifest.json
observed 473eb4d17eeee2de63d138b8eae37a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.239895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027462/publication.md
observed 70b7d9d400687a5d7110cb5c1f98e481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.222511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027462/publication.txt
observed f5bde208595a2fa40aa1f9dc898b5449...
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.