OpenTechnical

OT-2026-000035975

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000035975) never changes.

Identity and time

Publication numberOT-2026-000035975 · never reused
Internal UUID01a0ae76-b4ca-7097-afdd-a6e62c0bcacd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035975
StatusPUBLIC

Content hashes

Canonical textb4f94f01aa3925aa6399ab6c01f95204a71426c4d65bc9de1e004608dde12927
Markdown3e80e8c0ff22a7445606041ba4793d2725622799ef2c45b3b0d895a79c98f9c4
PDF
Publication page1ea1c3ee06886d89a3d79c22835223cbbf75601ec6eb2a22652e5110fedff7dd
Manifestae60770d7a02e813e90fd8f677be42011217155216bf5bcae1aaa5656b8df193

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
SignatureCwZQkHyi7ukBuDYgbxmRknib5PKvhy4FrY+wCfYgFx8f12uwWfjdcEL4uwH4Msb99i0i6VySoPp2ufwpOH4xCw==
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

2026-09-17T11:27:50.353615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035975
observed 1ea1c3ee06886d89a3d79c22835223cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.335257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035975/manifest.json
observed ae60770d7a02e813e90fd8f677be4201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.317896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035975/publication.md
observed 3e80e8c0ff22a7445606041ba4793d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.296716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035975/publication.txt
observed b4f94f01aa3925aa6399ab6c01f95204...
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.