OpenTechnical

OT-2026-000076393

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000076393) never changes.

Identity and time

Publication numberOT-2026-000076393 · never reused
Internal UUID01a0ae94-6a70-76ff-ac4f-94af8e67727f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076393
StatusPUBLIC

Content hashes

Canonical textd8d824ae1d1b3c192dea4af1908418796c847b767e33faf74466e8621cca747f
Markdown6f95e798aab4016c6681999330620d4c9f8c2875b0f2c4013dca60e2744db973
PDF
Publication pageb344568b590b03f2c21a53cfb6e1c978dc621afbd37819203ecd4c6551ede697
Manifestcbb4f14449b861768f9ac5e5f03e7a897b6550a78d75a16b86999a144f28b154

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
Signature7KaFaO9yyn+5ClitEJyey3vnHDtr2M55p+pTQZRSmt5sT0xUOuPZDBPAH/n7ZHEFATU8ckAeBGW2d4cUmkwzAQ==
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

2026-09-17T10:12:18.040282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076393
observed b344568b590b03f2c21a53cfb6e1c978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.018281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076393/manifest.json
observed cbb4f14449b861768f9ac5e5f03e7a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.995510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076393/publication.md
observed 6f95e798aab4016c6681999330620d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.976537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076393/publication.txt
observed d8d824ae1d1b3c192dea4af190841879...
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.