OpenTechnical

OT-2026-000049732

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000049732) never changes.

Identity and time

Publication numberOT-2026-000049732 · never reused
Internal UUID01a0ae81-8fef-721e-b725-517099ef6ad4 · 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-2026-000049732
StatusPUBLIC

Content hashes

Canonical text24de76984bb4b4175b77cfdc321a73da6d30c1fc26018a9fa9840832c6e5e1af
Markdown5ebf08a6242c9a573a8c1f0d212d8dded0009c6a6304646dd2427090256c4536
PDF
Publication pagedec5466502b3d42cf80d993f044a9915d517b1e3e89f6eda1222998eccbd174d
Manifest60bfcac3bb1495d00ca37f47ce79105faef06696e2f05c045ce2162530bc1da9

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
SignaturePAhnfwVvalY82PbCxBbkg6ZS2EVyFMAMMuvvHau+47qmeWf83akWYgABzPlS7Zpu1n1CV9kyviGGju0GPA5nCw==
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

2026-09-17T11:02:45.328200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049732
observed dec5466502b3d42cf80d993f044a9915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.307666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049732/manifest.json
observed 60bfcac3bb1495d00ca37f47ce79105f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.288366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049732/publication.md
observed 5ebf08a6242c9a573a8c1f0d212d8dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.269556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049732/publication.txt
observed 24de76984bb4b4175b77cfdc321a73da...
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.