OpenTechnical

OT-2026-000030970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000030970) never changes.

Identity and time

Publication numberOT-2026-000030970 · never reused
Internal UUID01a0ae74-3fb6-70ad-9889-f9f788fb652e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030970
StatusPUBLIC

Content hashes

Canonical textb3ba43b0de0b37e8215b0c3c9e6beea8117c0d3af7fb02f4ab119936f519f822
Markdown971ae23b38b10c6c651e5a0a584ae675f650944b187d21a024c5fd25f9ac6b57
PDF
Publication pageac0a260e799e6c086deccdc95057e84bc3be02258ff53b849bc8f4b03b0e23bb
Manifest7c34a7fdebe7f478f2fd5f27cdbf505c8f4f7357c842416a6129a1d3638af9fd

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
SignatureKzhvG603ihvzSL3FjtLOVQLKxOO+SWrhJgKXGUwiuUyETdw6nQBXdhnOArGSaFP9frxsIWKfnXL4uNF2g0otDQ==
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

2026-09-17T11:36:58.622681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030970
observed ac0a260e799e6c086deccdc95057e84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.598033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030970/manifest.json
observed 7c34a7fdebe7f478f2fd5f27cdbf505c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.579530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030970/publication.md
observed 971ae23b38b10c6c651e5a0a584ae675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.559963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030970/publication.txt
observed b3ba43b0de0b37e8215b0c3c9e6beea8...
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.