OpenTechnical

OT-2026-000091834

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000091834) never changes.

Identity and time

Publication numberOT-2026-000091834 · never reused
Internal UUID01a0ae9d-43ba-70de-9577-11677dce5da9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091834
StatusPUBLIC

Content hashes

Canonical text7c681570b9c68b047c42bcfa527126d73243a606e2281e351b5c86cf9f7866b0
Markdown650a77c8f039dfcc1292512275006c92d8555c6944fa667e8939f363b6820b63
PDF
Publication pagebbd6b301ac6341b5ae7b6f6a9863d4a3ec7e660351815f6cd40fa7a84ad99ebb
Manifest52833e8d1d80a03c3590f1654763a88f9ea76de05f8ae894935d37958f09fe56

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
SignatureA0T6rujnXsF4K9az7rxCPt4OHXQD5VKya/xHnGGTmb5GVHnPmDVmNnJXMzfK/8X2RPVNc2zgGsVa3p38oYoHDQ==
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

2026-09-17T09:42:45.046269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091834
observed bbd6b301ac6341b5ae7b6f6a9863d4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.029907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091834/manifest.json
observed 52833e8d1d80a03c3590f1654763a88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.012803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091834/publication.md
observed 650a77c8f039dfcc1292512275006c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.995204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091834/publication.txt
observed 7c681570b9c68b047c42bcfa527126d7...
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.