OpenTechnical

OT-2026-000034760

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034760) never changes.

Identity and time

Publication numberOT-2026-000034760 · never reused
Internal UUID01a0ae76-1ed2-7540-aad6-8cb43b579254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034760
StatusPUBLIC

Content hashes

Canonical text59018b6eb1db7e866d8dbaa0edff07eee8185017c9e7f84dd1b1cd3fb73a9e22
Markdownd70e1283de550cf32212d666b85116834ebb24f8cf39626ec85b11c4f4f43920
PDF
Publication paged006f6de6476c708055ab22c81fc737eb5b28d467ca72283d0f6b44ce0533dae
Manifest192f49826dd3e626d086a5d4d33a8ab62a330cd8825ad1e43b44c175dee512c9

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
SignatureVe/JZuV7N7Ioha7u4iZ67uQQYIKi3yIKShTGjO/BAhb9dRKAAd2iBhsqfzFCZoaA7Fvv93LnKz/QKeqiKuESDg==
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

2026-09-17T11:30:15.084727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760
observed d006f6de6476c708055ab22c81fc737e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.065077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/manifest.json
observed 192f49826dd3e626d086a5d4d33a8ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.041772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/publication.md
observed d70e1283de550cf32212d666b8511683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.022012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/publication.txt
observed 59018b6eb1db7e866d8dbaa0edff07ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.522112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760
observed d006f6de6476c708055ab22c81fc737e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.503092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/manifest.json
observed 192f49826dd3e626d086a5d4d33a8ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.487556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/publication.md
observed d70e1283de550cf32212d666b8511683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:43.461985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034760/publication.txt
observed 59018b6eb1db7e866d8dbaa0edff07ee...
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.