OpenTechnical

OT-2026-000100698

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100698) never changes.

Identity and time

Publication numberOT-2026-000100698 · never reused
Internal UUID01a0aea3-66f3-7b4c-a50b-a22001847623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100698
StatusPUBLIC

Content hashes

Canonical textfebeb3fe19589f2a75db380eab12079a77cf388e58b42788b9d25a4596a8e82d
Markdown665555cdf6254691609ad76bb334aa117ecd418c3ff3692f7b0862cb3045830d
PDF
Publication page26ab67c577d71c61f7eab487f371b25ca46004d63b30de052cc4bace4a6d7451
Manifestfc7da5fa17e7ccf121bd424da1e73b2107b5ae9b6ea234b98aa9bed41542c94a

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
Signature4tdetqgYE5rzyBfK2zX4qJsngGhJnfDjiBirwVwIo+TtipCGXX1hqHoyWhkkBpeCF7ON269J6dSEaCpwOsrmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:31.009668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100698
observed 26ab67c577d71c61f7eab487f371b25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.991191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100698/manifest.json
observed fc7da5fa17e7ccf121bd424da1e73b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.975037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100698/publication.md
observed 665555cdf6254691609ad76bb334aa11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.957384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100698/publication.txt
observed febeb3fe19589f2a75db380eab12079a...
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.