OpenTechnical

OT-2026-000038589

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000038589) never changes.

Identity and time

Publication numberOT-2026-000038589 · never reused
Internal UUID01a0ae78-2d54-78fb-a279-3efda4d8036c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038589
StatusPUBLIC

Content hashes

Canonical textdca507141bd4404c709a5916bc9a0b688cf10b4b34d4718f7781a9a260236c76
Markdown4b3e245ce7fd9b072623308be5fe137e0d022e2c135b6d7dca1cdec7bcffc94e
PDF
Publication page41aafc762a6bda681a3642f7fc984494d8d7811f9e3159169044c7e93fb61f86
Manifesta15e746cc4f17df182667676a6e7248f670f2b6832c1fb32c365b7fcd41ff68f

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
SignatureYw4MDufMeomRme3Yzu+aRLtm59zeBUtFITnT01K2tA3tHYsJ3Gy3R7hOCLnYZahjswsUdPrOvaRnUU36mpC6AA==
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

2026-09-17T11:22:50.537630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038589
observed 41aafc762a6bda681a3642f7fc984494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.519605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038589/manifest.json
observed a15e746cc4f17df182667676a6e7248f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.500229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038589/publication.md
observed 4b3e245ce7fd9b072623308be5fe137e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.481374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038589/publication.txt
observed dca507141bd4404c709a5916bc9a0b68...
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.