OpenTechnical

OT-2026-000080100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000080100) never changes.

Identity and time

Publication numberOT-2026-000080100 · never reused
Internal UUID01a0ae96-4378-74a0-9f21-5404f404111a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080100
StatusPUBLIC

Content hashes

Canonical texta694d71ebb9fcc6c634a5415d7e8810d96b120d96173f54420c8f8a2226fc570
Markdown6676aa5b2d190becb226244ccc38ddd871808771ef1dabb6ed76539c6d2a0ef6
PDF
Publication paged5fd222f96af1a69c4f1030195bf779e5d70b8bc1596aab4d551e1b9c1af204c
Manifest8c359a59ff6389311acb0c14dde1b0aea342d64e551facbe66bc95a3b576066a

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
SignaturewHfmAD3CPJcSc+Q5YhoJBymimX8feyUuIz+wsnZhtMuvtEd853jI7DejvGj+43jozD2bUY4E/2h0In+4EUybBA==
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

2026-09-17T10:04:02.425498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080100
observed d5fd222f96af1a69c4f1030195bf779e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.407140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080100/manifest.json
observed 8c359a59ff6389311acb0c14dde1b0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.388954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080100/publication.md
observed 6676aa5b2d190becb226244ccc38ddd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.371087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080100/publication.txt
observed a694d71ebb9fcc6c634a5415d7e8810d...
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.