OpenTechnical

OT-2026-000023640

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000023640) never changes.

Identity and time

Publication numberOT-2026-000023640 · never reused
Internal UUID01a0ae70-aed3-7b4f-9a18-de070e8e641c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023640
StatusPUBLIC

Content hashes

Canonical text37a030ae8512dce3479fe29c0c3f70ccf66e1680499b3ee184b59eb888ccf298
Markdown34486d676cb08a04fc667b1266fe378eb7bc3c0a54dd60379c7891477f5a7aa6
PDF
Publication page5dc8dc0ea78dc4be8a6c3da3fbd0ec85e8bb4752ef982627f109a88044878a6c
Manifest6b3dd93aa10850980ba60e1a54da98538d02e80f6ee7ae08fcfc0531c16feed2

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
Signaturegccie1TDiU41Q4mOpsnAs/pNOOXgz9TZzKopvluRV2FJJlYWhosPDDLOPpG/pMPyHrT1etOykSL0/1A515oeAg==
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

2026-09-17T11:49:51.040787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023640
observed 5dc8dc0ea78dc4be8a6c3da3fbd0ec85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:51.024192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023640/manifest.json
observed 6b3dd93aa10850980ba60e1a54da9853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:51.004358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023640/publication.md
observed 34486d676cb08a04fc667b1266fe378e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.986446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023640/publication.txt
observed 37a030ae8512dce3479fe29c0c3f70cc...
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.