OpenTechnical

OT-2026-000095979

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000095979) never changes.

Identity and time

Publication numberOT-2026-000095979 · never reused
Internal UUID01a0ae9f-fac8-79e8-b16d-17a67db4315c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095979
StatusPUBLIC

Content hashes

Canonical textd7813740c3e39947162c5c5b816e9763a46b04d8aa280cd27ac43c1c821850a9
Markdown43ed64fca7f5f21ae3c2a54cb571df3081d59b0617fd4f6b9f147eeab46ec941
PDF
Publication paged0ed9087690d288b4286d406986bab4e2bdbf415ae09f54cc6796425fd7c63ce
Manifestba1afb487c56c0d3751497ed56c5e428c27e3b6a5f7141164f9f515d72cc948e

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
SignatureOIDXPIdP1WMWWwLHhdfbjs0BbxeAOuQsVDCQZGg+Nj1fZ6IlAppudkdQyxNa4mCBPORfeEb6ES8LQScb2vyjAw==
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

2026-09-17T09:36:06.084096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095979
observed d0ed9087690d288b4286d406986bab4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.066777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095979/manifest.json
observed ba1afb487c56c0d3751497ed56c5e428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.048556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095979/publication.md
observed 43ed64fca7f5f21ae3c2a54cb571df30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:06.017609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095979/publication.txt
observed d7813740c3e39947162c5c5b816e9763...
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.