OpenTechnical

OT-2026-000101478

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000101478) never changes.

Identity and time

Publication numberOT-2026-000101478 · never reused
Internal UUID01a0aea4-0e14-711b-a26f-92bfa011ffb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101478
StatusPUBLIC

Content hashes

Canonical text7dc6bf627d39e8b01e747c2a7f440edfe922c44128f14dc74a02119960e296f6
Markdown43891ee9e4808c228d92aae6b61180c960818dcc1f2b1e80b9732f37ba29c1c6
PDF
Publication pagef27579be8562139458f364dd8a17bbe9bde8809df0a0ed7257131f793ee0cc59
Manifestfda058ca722e0a6a403c7120937ec9bb681c870bbacb68a4c2e30807009fb073

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
SignatureCopmBtUDype8Lf5AfHfCTiNiXoXGDpHv1DaGAZBO3t4IIISNbpSguN8eMDNsEqaj1Rzb/JMMRKNKsUNtabkOCQ==
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

2026-09-17T09:26:03.733827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101478
observed f27579be8562139458f364dd8a17bbe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.715790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101478/manifest.json
observed fda058ca722e0a6a403c7120937ec9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.696867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101478/publication.md
observed 43891ee9e4808c228d92aae6b61180c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.679357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101478/publication.txt
observed 7dc6bf627d39e8b01e747c2a7f440edf...
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.