OpenTechnical

OT-2026-000086535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000086535) never changes.

Identity and time

Publication numberOT-2026-000086535 · never reused
Internal UUID01a0ae9a-2c98-712f-bf2a-64d4bc89336e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086535
StatusPUBLIC

Content hashes

Canonical textc24f3c2bfa8f2be22d60af909ca55b4ed6d76b1b8422aae48423560ddc40ccd0
Markdown0c7e486d426173b0766222a8aee95ddf4220b3bcedee32a4880ed9cd13aac414
PDF
Publication pagec5059fb891a78c6aa481669faeac2a34628841c34028d4f380ca29e160f10bec
Manifest9ef1a65994fad418b5dc819c6b69acdb06ff20ff76596c9345f44ebb32133d7f

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
Signature1k6GX9NoDyfjDtAcNGNRSPs0zPeqKqFOB6CIPQnD15f9c202ROGBwd6Y3jZd1RxrO2o+u9gkknynN9FB1AcFBg==
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

2026-09-17T09:52:21.731747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086535
observed c5059fb891a78c6aa481669faeac2a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.713438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086535/manifest.json
observed 9ef1a65994fad418b5dc819c6b69acdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.695875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086535/publication.md
observed 0c7e486d426173b0766222a8aee95ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.677257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086535/publication.txt
observed c24f3c2bfa8f2be22d60af909ca55b4e...
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.