OpenTechnical

OT-2026-000020766

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000020766) never changes.

Identity and time

Publication numberOT-2026-000020766 · never reused
Internal UUID01a0ae6f-65e2-7de7-9284-65e13535a528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020766
StatusPUBLIC

Content hashes

Canonical text4e1009929a1e7463b22bc4ba240dda518a0aa44789798912d1b7941d66f8bced
Markdowne774876fc9c83c085da4e53b1ec8c910c7c5b38569fbf98f005670d990c2268b
PDF
Publication pagef99427737e078d82e1f716e0e86e7f59bf8a2ce3c79fbee049eb664c57ef3140
Manifest8adc22b92e770c160acc44980a85b4132f6740096002f09439d068f04d5d062c

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
SignatureRur9UlhlhJBDwreZViloHXrqU7KbUS1nt0x0by0Jrkt+5lq8NIoyaAfQeFLSG4btZcPtS2BMCTE5la10UvMbCQ==
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

2026-09-17T11:55:50.606746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020766
observed f99427737e078d82e1f716e0e86e7f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.589382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020766/manifest.json
observed 8adc22b92e770c160acc44980a85b413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.569328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020766/publication.md
observed e774876fc9c83c085da4e53b1ec8c910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.550468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020766/publication.txt
observed 4e1009929a1e7463b22bc4ba240dda51...
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.