OpenTechnical

OT-2026-000084015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000084015) never changes.

Identity and time

Publication numberOT-2026-000084015 · never reused
Internal UUID01a0ae98-5b5d-7842-ac52-88e96e38a112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084015
StatusPUBLIC

Content hashes

Canonical textccac8730969b78efc81af8c55547dada6fcf6a282fe1dc1e71e1cfbf89878d3c
Markdownda2a831efbb89614b9c604bee63070e31100fd0951464337ac7a3a822e3fc965
PDF
Publication pageb0d6cbff08933442994fee579fcb48f81816f6edc4e9fd646b1f90a059584b8b
Manifestfed76db5c782cd75b25770fb871e66471e59ec8285920d0e1e61235230cef758

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
SignatureKtCrQ1XtUkoy3PKqoGWs5Y1Jnkt98yQ6GZ1A+c/OQVPyRfAg3bJVQS2o9BcLSm1ze/t7kDivtBqLIWSovUlKDg==
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

2026-09-17T09:55:44.083371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084015
observed b0d6cbff08933442994fee579fcb48f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.065718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084015/manifest.json
observed fed76db5c782cd75b25770fb871e6647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.047335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084015/publication.md
observed da2a831efbb89614b9c604bee63070e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.028023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084015/publication.txt
observed ccac8730969b78efc81af8c55547dada...
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.