OpenTechnical

OT-2026-000082419

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000082419) never changes.

Identity and time

Publication numberOT-2026-000082419 · never reused
Internal UUID01a0ae97-4d96-7b2a-a283-a316d46dc5b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082419
StatusPUBLIC

Content hashes

Canonical text404f3ed71662606cc08cda47fc8756cd53c7ef11f0b2d021810b5c10dd534646
Markdown4e5e9a77834a76d33578af3e9070655f018ac3052fe406e4c4df110fe4612810
PDF
Publication pagebdaf5a5027d91bd3829664ffcaedcf5d0f3a2830be6f1c670fded7c42b026cb8
Manifesta4ffe76d62c946068410aea7416a5ee2f0a9c5bea90fb58e526f5d170084101f

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
SignaturecELmyZLCkCH0a1s23HgtI5+oJWGewSz/aALikAvYaV0v+l3Trw4HMXe482fstQ6E+CFBmtgf1CnA5gOIr7DeDQ==
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

2026-09-17T09:59:18.497262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082419
observed bdaf5a5027d91bd3829664ffcaedcf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.479123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082419/manifest.json
observed a4ffe76d62c946068410aea7416a5ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.452784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082419/publication.md
observed 4e5e9a77834a76d33578af3e9070655f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.432041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082419/publication.txt
observed 404f3ed71662606cc08cda47fc8756cd...
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.