OpenTechnical

OT-2026-000087680

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000087680) never changes.

Identity and time

Publication numberOT-2026-000087680 · never reused
Internal UUID01a0ae9a-cd54-7765-8be2-ca952c866bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087680
StatusPUBLIC

Content hashes

Canonical text2e4681e88803315ae1247e22c1f784102439f39ad71cb685afdeb74b576e8181
Markdown5b622b43172d955fd6c71b511ab2ec0f4b7d55dc564c2d3102b12142feb6bf5d
PDF
Publication page68d5fa5b0d2b0b5d66344271ff952648b8c1ae9e483bb75d19b3d5c1eb0e7647
Manifest905b8052cadbcc36d29275d914cf0cfd417a201d2397dae160ee5e94f4b35173

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
SignaturegM7XNGB7pXGPCx7jnNR7olN9l9IPA/TfzMQu9U0HOuzIsMVbU0tzPuFXLJ4HksOqkHtwYPP+80O2e4WH8FvrCA==
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

2026-09-17T09:51:07.659002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087680
observed 68d5fa5b0d2b0b5d66344271ff952648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.641944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087680/manifest.json
observed 905b8052cadbcc36d29275d914cf0cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.625618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087680/publication.md
observed 5b622b43172d955fd6c71b511ab2ec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.608997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087680/publication.txt
observed 2e4681e88803315ae1247e22c1f78410...
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.