OpenTechnical

OT-2026-000045587

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045587) never changes.

Identity and time

Publication numberOT-2026-000045587 · never reused
Internal UUID01a0ae7d-8f02-7fee-902f-d76d44cb463c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045587
StatusPUBLIC

Content hashes

Canonical text5f7de7fc0594d7e0c4ce8d501527522b842ff01c06d88365fd91bf49bf45a3f7
Markdown9e1d66555eaccc20c8b8b5a312ea5f14c53d88d67f8bff5f7c8fac09a2ea2746
PDF
Publication page6b9f165916d150fd96d202446f08d43808cb7b7ff1d6999bb434292e690a04b4
Manifest668069f1dad5631398196a6a2f190bab33a80e38226b0655ff7b9ae5948e0441

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
SignaturebyKeq1WM3n/vOFXF8pbLnByk7doVRi2BzspmWFvPOFt+NZwLXbt3SaM85kaGOKwR/iQeh+J3t/3VBie6GO/0Dg==
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

2026-09-17T11:09:21.237970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045587
observed 6b9f165916d150fd96d202446f08d438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.218688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045587/manifest.json
observed 668069f1dad5631398196a6a2f190bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.199182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045587/publication.md
observed 9e1d66555eaccc20c8b8b5a312ea5f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.179943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045587/publication.txt
observed 5f7de7fc0594d7e0c4ce8d501527522b...
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.