OpenTechnical

OT-2026-000092516

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000092516) never changes.

Identity and time

Publication numberOT-2026-000092516 · never reused
Internal UUID01a0ae9d-b5fd-7e6f-86c5-df144164b067 · 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-2026-000092516
StatusPUBLIC

Content hashes

Canonical textc16ec9d0c02a9de21211ba9db397a245efe15b406e07f9c42cbe72fdef3e20ef
Markdownea7acdaca064fbf8b4cabae65b0b38b260b475e464dadc8d280ccb6211be8b87
PDF
Publication page0f8d5da8b060b92034bb1973ad5ea49b948552790dd0279678efe07c382f7f9a
Manifest53327c276689640452a8c0a8f6d2a7e9a66e18139477a24c911c866461e5f869

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
SignatureIaiG5kxEvWkLwib2r9IwpFpVmQmYsDIuTWctw1i+i9zUcBwdufPHLRuL0UCvdup5wrkRCwCMfVbEB/6j/esKCg==
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

2026-09-17T09:41:05.430345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092516
observed 0f8d5da8b060b92034bb1973ad5ea49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.411064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092516/manifest.json
observed 53327c276689640452a8c0a8f6d2a7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.394292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092516/publication.md
observed ea7acdaca064fbf8b4cabae65b0b38b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.377338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092516/publication.txt
observed c16ec9d0c02a9de21211ba9db397a245...
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.