OpenTechnical

OT-2026-000070531

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000070531) never changes.

Identity and time

Publication numberOT-2026-000070531 · never reused
Internal UUID01a0ae91-5460-7f2b-8c04-a3fcc7551553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070531
StatusPUBLIC

Content hashes

Canonical texta2da3106610251d74c39644089fcfcee285784eeb5d0004294a14d6cd99c05cb
Markdownb0a84178f7a2109c78adc071b271d24befc4dd0e293ea40ca29e902797b47e34
PDF
Publication pagecd2e3b3848a9e354486d9806d9be95724c97d678f2b10c9ca15251ced03e5a3f
Manifeste07552ecaf1efe035b2c2716afdf512e6d6401870c9d795775c7f9c19ebef826

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
SignatureLxRoqokajDW5c+xtraawVNgfIF/SIoiYu/vGUMbQVyXTKk9YCBnsF9GNrJtyYMwu0KuvWG5Gl2VfpwjuXe5XCA==
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

2026-09-17T10:26:22.597524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070531
observed cd2e3b3848a9e354486d9806d9be9572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.579540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070531/manifest.json
observed e07552ecaf1efe035b2c2716afdf512e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.563489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070531/publication.md
observed b0a84178f7a2109c78adc071b271d24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.547290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070531/publication.txt
observed a2da3106610251d74c39644089fcfcee...
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.