OpenTechnical

OT-2026-000049727

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049727) never changes.

Identity and time

Publication numberOT-2026-000049727 · never reused
Internal UUID01a0ae81-8fef-71d9-8708-0ec83c444e16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049727
StatusPUBLIC

Content hashes

Canonical text39e35e49bec64b58bf097dacd1bbee97d520a9658d16329f9aca9a9fee74caf4
Markdown2d8e34b76b00861cbfc03421d46ff1744e62c61b062a75321e28d9d5ec9d05aa
PDF
Publication paged7415cd5ddad95ac5be1f9b9e8d3cfa958cb64ffb251caab20faf4dc66516427
Manifest1536870d723fb1012d637c8468773a4acf2cff175e1a550ec9f76b1ebe79b1b9

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
SignatureXahoGNdbnYwXMscu1B6Mfe2/jb1T1xgE6YRXdK19UdqVsaAeRWmkTmc02gFLJs0dAPaXuyUrBMBML+YFAs1KAg==
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

2026-09-17T11:02:44.928358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049727
observed d7415cd5ddad95ac5be1f9b9e8d3cfa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.909967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049727/manifest.json
observed 1536870d723fb1012d637c8468773a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.891110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049727/publication.md
observed 2d8e34b76b00861cbfc03421d46ff174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.872359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049727/publication.txt
observed 39e35e49bec64b58bf097dacd1bbee97...
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.