OpenTechnical

OT-2026-000081577

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000081577) never changes.

Identity and time

Publication numberOT-2026-000081577 · never reused
Internal UUID01a0ae97-0f71-7a4c-b70a-93bb049960bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081577
StatusPUBLIC

Content hashes

Canonical text295e6f699fe7f60f2a798e169985525d53db3336283e74e914b1b4ef89aef383
Markdown218ab6fda5906a848efeeaad31169cd7ce32078ee374bc54be034cca5204ea66
PDF
Publication page1734f6b82896155d0bffbfd8972891a3b88c05a3bea439c3eb13c26161305e2b
Manifest44b4853262fe7ab8c52a95071bde319f3d4d441997f9567ad0ea64c1dcf73c3e

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
SignaturepI9o3wMcO9CRDR3m/VzqbpZw1AXUNf5Xrm5B4cPKiB8bjSZGdCEacJ/qD25stFrhrnsoPkoa6EpY7xgadHFVAg==
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

2026-09-17T09:59:36.540332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081577
observed 1734f6b82896155d0bffbfd8972891a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.521749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081577/manifest.json
observed 44b4853262fe7ab8c52a95071bde319f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.504787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081577/publication.md
observed 218ab6fda5906a848efeeaad31169cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.485558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081577/publication.txt
observed 295e6f699fe7f60f2a798e169985525d...
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.