OpenTechnical

OT-2026-000019827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000019827) never changes.

Identity and time

Publication numberOT-2026-000019827 · never reused
Internal UUID01a0ae6f-1fb5-7170-b595-94d3e9c59781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019827
StatusPUBLIC

Content hashes

Canonical text73a3bcaa23186fcb89b9c568badc5e0f55e6ab4a44641022b12366aea39db3f5
Markdown2f83f35e97125f2b2f9640e30b3cb6a04fa73631a6d296eb9468bb7574cb47f3
PDF
Publication paged4ee230a67c41d6a793450a90f4e0d41b545111cee9f0572f8ed8b3c37edee21
Manifestce697673614f8c0e3110c99230ddb94cc95314a8eebaec727ad60d9261b0bcbb

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
SignaturecJeqyMhOFNtXIqDtTtRK1EeG2KW+rkWuz1naMZqNJuVrKFXzGs6nTTNBkQMl73fT7igB0YfsKMG10blZF/CRDA==
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

2026-09-17T11:58:01.085751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019827
observed d4ee230a67c41d6a793450a90f4e0d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.046516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019827/manifest.json
observed ce697673614f8c0e3110c99230ddb94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.027597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019827/publication.md
observed 2f83f35e97125f2b2f9640e30b3cb6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.987664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019827/publication.txt
observed 73a3bcaa23186fcb89b9c568badc5e0f...
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.