OpenTechnical

OT-2026-000011968

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000011968) never changes.

Identity and time

Publication numberOT-2026-000011968 · never reused
Internal UUID01a0ae6d-1942-7e15-a48c-22b35922c9c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011968
StatusPUBLIC

Content hashes

Canonical texted8f84a334734f11aadd0023a361367c687177e07806e81cccf42985ccfb1cab
Markdowned304ebd151714d2da9858f3ee0a445ff9f7b6e07e069d4c47b79833367f52e7
PDF
Publication page99809cfdedb7d60dad4b19ca849f33a932f8d595243e51705ae8eaef01c280c9
Manifest26b2398aff955ba8bcd26a3aba875eb27ef2b8c02c95511107d1f7a4c0771080

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
SignatureHaOHrsHZGSl59hrA8zmvC47kLcwudVtI4oOJYaAl3b1rsI0r5UOtEHNTWBRYHSfEOZXEZF7NTVSnyJCpIR8tAA==
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

2026-09-17T12:12:49.296807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011968
observed 99809cfdedb7d60dad4b19ca849f33a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.278181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011968/manifest.json
observed 26b2398aff955ba8bcd26a3aba875eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.260316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011968/publication.md
observed ed304ebd151714d2da9858f3ee0a445f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.241160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011968/publication.txt
observed ed8f84a334734f11aadd0023a361367c...
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.