OpenTechnical

OT-2026-000084279

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000084279) never changes.

Identity and time

Publication numberOT-2026-000084279 · never reused
Internal UUID01a0ae98-5b61-77ce-9fdc-03ef71463c24 · 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-2026-000084279
StatusPUBLIC

Content hashes

Canonical textca97d3930ae3d27bff1d8dcefce0fab53ac63559712a34c3fbd11c58f0f84cd2
Markdown18006461592bad643c1a150e040d61ab652ae11321945d788e2526515c0ef26d
PDF
Publication page4d7d6a27ad126c42c6e0cd450018baf1e357fa69eb13c8f6dbd28526ff4a2ca2
Manifest3399fa32552b7b8e7b85bd74d2e5837c8112ad32229141035b949ba555f8af61

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
SignaturefwvmaCHLh+gNEXCjjhCrZzzjXXkOyHl2iOIpOaTjO6eh2XCUH99kKJxySxrMeBLwcEzCBlT0lhRom4Mute5JDQ==
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

2026-09-17T09:56:11.864949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084279
observed 4d7d6a27ad126c42c6e0cd450018baf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.848685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084279/manifest.json
observed 3399fa32552b7b8e7b85bd74d2e5837c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.831876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084279/publication.md
observed 18006461592bad643c1a150e040d61ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.815375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084279/publication.txt
observed ca97d3930ae3d27bff1d8dcefce0fab5...
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.