OpenTechnical

OT-2026-000028242

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000028242) never changes.

Identity and time

Publication numberOT-2026-000028242 · never reused
Internal UUID01a0ae72-a521-720d-8c79-cb972b94e1ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028242
StatusPUBLIC

Content hashes

Canonical text181223892b898e8a03704962779aa0070cba4232da4c833a4ba3ab4b2d868bf6
Markdownce344d6fc2334f8ee767503502ebeb4dbe82eb5b4d53dc3f1c7d01a031266a01
PDF
Publication pagef79f70a1f4ead4c1b9af932bf0ed245b4f1d473657b61529647d826de70350dd
Manifestdd53e792b3e6c3ba2df5b36efef0d2be027183665c6264a8c06eec8d31a752be

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
Signature/gTxd3kIWogsDxaOqseyu07Nm+fQ3mqUlu+yxyxbMXipTXB5c3Ugwix9ka/E+T8xQlfs27p973bwUjgjLi5gAQ==
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

2026-09-17T11:42:36.586683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028242
observed f79f70a1f4ead4c1b9af932bf0ed245b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:36.569680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028242/manifest.json
observed dd53e792b3e6c3ba2df5b36efef0d2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:36.554340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028242/publication.md
observed ce344d6fc2334f8ee767503502ebeb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:36.538012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028242/publication.txt
observed 181223892b898e8a03704962779aa007...
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.