OpenTechnical

OT-2026-000028367

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000028367) never changes.

Identity and time

Publication numberOT-2026-000028367 · never reused
Internal UUID01a0ae72-e2f5-7f35-80e4-41e4ce28f56d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028367
StatusPUBLIC

Content hashes

Canonical texte9638707010975d04a2d323b07c40e61b41b0f22795da9455bfa5504affcae6c
Markdown53e02215219aab8a4f31af7c2d8826c2304abf008c13aa73285d26ee2fe6c766
PDF
Publication page79d34690cf16b1d9b200fceea078c06632f2dec4b7c1f667b34322361ec9e919
Manifest069362c4ee77a96e72a772cf4a433aa50482e29bab80cb9534ff05483a0f0078

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
Signature+JDciFmrp3AFEMQnNaSoUsW8tD8Xc9q46lKntr1fiPRJvK7Ng1FC4zmwCGJZEISGJnvM22SAlrynsPE4uDibAw==
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

2026-09-17T11:40:22.849080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028367
observed 79d34690cf16b1d9b200fceea078c066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.825494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028367/manifest.json
observed 069362c4ee77a96e72a772cf4a433aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.806177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028367/publication.md
observed 53e02215219aab8a4f31af7c2d8826c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.785994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028367/publication.txt
observed e9638707010975d04a2d323b07c40e61...
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.