OpenTechnical

OT-2026-000067620

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067620) never changes.

Identity and time

Publication numberOT-2026-000067620 · never reused
Internal UUID01a0ae8f-6bda-7d1c-9be1-0dbdb3cfb91e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067620
StatusPUBLIC

Content hashes

Canonical text7b1e0af3500f42f96e9c84729ee653b2b0867065c914d374dd045bb049cc85de
Markdown76ee1714f5490afbd566496fc66e7a9ee7258bc5885d09e7f813e617ed3b7841
PDF
Publication page9f4455b6704a5aa9d81604fd61689e2cf0c9e77911ff1227eb61cf11ebdcb8d0
Manifest7dfdc6017ac6f17f1f83b298c11f20f54322db07b4ec03ae9d2c04706048aa26

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
SignaturesEaN6xWY/gc5yhlmqap3YUgHiVNHnGnMKqLprdK0PWIWMoqBGSeq6Cce/Xma+rZYXRj4R+qoIKjZBonyIK6nCA==
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

2026-09-17T10:31:56.495041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067620
observed 9f4455b6704a5aa9d81604fd61689e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.477723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067620/manifest.json
observed 7dfdc6017ac6f17f1f83b298c11f20f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.458654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067620/publication.md
observed 76ee1714f5490afbd566496fc66e7a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.440644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067620/publication.txt
observed 7b1e0af3500f42f96e9c84729ee653b2...
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.