OpenTechnical

OT-2026-000056749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000056749) never changes.

Identity and time

Publication numberOT-2026-000056749 · never reused
Internal UUID01a0ae87-7af6-7e0b-a557-884e44deeb89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056749
StatusPUBLIC

Content hashes

Canonical texta3e3e06f65c4364216dc768230e65ab17d9503e5e390fdf442f3db7d980c6656
Markdown393b343fb62803163ca5967162e2ef563dcb25e0a9e35a6402ce3c0ceebda901
PDF
Publication page7e63049a023dd292a47547d82faedea9e592ac1d0e972b358b5183740422d36f
Manifesta14058ce04ac3668112ebe600085c4dc7a688421591c0829cc34a54087e6d20b

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
SignatureNz1/UBxf2R5xfLNAuEK5jD2k3em6zLpTJjhIwv5MgTVGr6j68UjYjPmDS+qCcJyj4hrxCWsgN+2JMvdh57eSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:11.456979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056749
observed 7e63049a023dd292a47547d82faedea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.434706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056749/manifest.json
observed a14058ce04ac3668112ebe600085c4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.414628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056749/publication.md
observed 393b343fb62803163ca5967162e2ef56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.395332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056749/publication.txt
observed a3e3e06f65c4364216dc768230e65ab1...
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.