OpenTechnical

OT-2026-000092725

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000092725) never changes.

Identity and time

Publication numberOT-2026-000092725 · never reused
Internal UUID01a0ae9d-b600-7029-8174-61c095d6a4ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092725
StatusPUBLIC

Content hashes

Canonical text517efb5f49f3cbcb75ed7db0a086f720ac6a664a9cf1d0cae0b59b18d51fdd37
Markdowne02f2f77aaafc5411779152835d52d6eea1256201adf6011beacf4716ef1d63c
PDF
Publication page8079bf7911dace093cd430331a030ddf537752eb028f3056e504d51f3371d179
Manifest9bba674f6324598eeac4590b930ff105bdbc30b9d8de12d66853cff3b2c17798

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
SignatureKaVejsir/88/niXNYezaXnxmjXhVOUAdnfjFuMvkwT8n2qgcTwjHKvwFwoMvC2LEqhE3+XuKLfw2o+xrF4qQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:20.886538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092725
observed 8079bf7911dace093cd430331a030ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.867478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092725/manifest.json
observed 9bba674f6324598eeac4590b930ff105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.847317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092725/publication.md
observed e02f2f77aaafc5411779152835d52d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.828983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092725/publication.txt
observed 517efb5f49f3cbcb75ed7db0a086f720...
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.