OpenTechnical

OT-2026-000072646

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072646) never changes.

Identity and time

Publication numberOT-2026-000072646 · never reused
Internal UUID01a0ae92-89d9-7f2e-8242-5466d0edcaf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072646
StatusPUBLIC

Content hashes

Canonical text26dbc9bb6e5a3063c763f6c7d99814792ad8bdc922a5f82f195184d18ede72a3
Markdowne5e00626452cc98d7b98dc15614d064ee5968e2e6e5e3044e7ec80806722d2bb
PDF
Publication pagedbb4adc2049b4010ba8a8ca727cfd6e27901606349078ea9c3f134cedde9cd23
Manifest95cbb0607478db14551e6962f6ee65a50689844e322cf7b468492a028790bc4a

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
Signaturez2W3CGZQB5ChlqFJVb75oHRzmmkLKiJ8wzbnezJcT9TrrfOexNnU/R4a7fyZaAONGvIv1bNQBhmECTwrvAwjDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:30.599002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072646
observed dbb4adc2049b4010ba8a8ca727cfd6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.582681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072646/manifest.json
observed 95cbb0607478db14551e6962f6ee65a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.565784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072646/publication.md
observed e5e00626452cc98d7b98dc15614d064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.549380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072646/publication.txt
observed 26dbc9bb6e5a3063c763f6c7d9981479...
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.