OpenTechnical

OT-2026-000003882

Publication integrity record

Bellows cup vacuum gripper, two zone face, plant vacuum fed, contact triggered

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-2026-000003882) never changes.

Identity and time

Publication numberOT-2026-000003882 · never reused
Internal UUID01a0a90b-586d-715f-ba0c-b746560ebb60 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:08.176064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003882
StatusPUBLIC

Content hashes

Canonical texta34fe0e31aaac81b4292063a08039ffc82d78afc340fbb1870f810f085005a13
Markdownad14452079f48b02656610ece8c45af340c1ab2b106a5fb289d7ca35f9ecb317
PDF
Publication page7616a1040f7e9f1c54fa0afc83340947c87215b1607bb39c6133eac3c6492fef
Manifestbc3d390cd72e7c453d9a39e2c2379e02704097c18e2a4482f146d8544786036c

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
SignatureOzM03WSwhdGAOSWrPiH9uns3HRg2Otyxn2PRZWH+GEsxe6jrPo/SQemmX3SsO+42E3+TeK9w4t1v4jXXOV8ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:14.599812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003882
observed 7616a1040f7e9f1c54fa0afc83340947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.585171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003882/manifest.json
observed bc3d390cd72e7c453d9a39e2c2379e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.569670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003882/publication.md
observed ad14452079f48b02656610ece8c45af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.554742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003882/publication.txt
observed a34fe0e31aaac81b4292063a08039ffc...
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.