OpenTechnical

OT-2026-000075717

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075717) never changes.

Identity and time

Publication numberOT-2026-000075717 · never reused
Internal UUID01a0ae94-29fd-701c-be9b-644bd955a3d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075717
StatusPUBLIC

Content hashes

Canonical textb59a78c9b1418b34650a1926c0f652b64bede1f544f2d6f98b04d1fdffd782a7
Markdownf9baab25a5c049b5d0ee6610fdcedac80cb98f4eb0a68ca89b99bd5bcac45d1f
PDF
Publication page55bc52b13e844734b19a5ba396be4446550fac2fb6b4a6c40ea8f2bff10f1192
Manifestc3c4b5cae6495d8edbd3ef3e3ed8fb8924e91a0ddd048420413b1b0bfef4cfd8

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
SignatureurvUbhA4Wswloxmg6NSOUwHx8p14vLkhqgESfKg+F8WapGJe1KFwMz2+zS+TSrvf+ul/t4gmy7fExNa5pWnrBQ==
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

2026-09-17T10:13:57.447696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075717
observed 55bc52b13e844734b19a5ba396be4446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.306188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075717/manifest.json
observed c3c4b5cae6495d8edbd3ef3e3ed8fb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.287191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075717/publication.md
observed f9baab25a5c049b5d0ee6610fdcedac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.269291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075717/publication.txt
observed b59a78c9b1418b34650a1926c0f652b6...
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.