OpenTechnical

OT-2026-000089055

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089055) never changes.

Identity and time

Publication numberOT-2026-000089055 · never reused
Internal UUID01a0ae9b-daff-770b-90c1-c9ca3a225236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089055
StatusPUBLIC

Content hashes

Canonical text916619cfd18d2d8c01f90269368c4c8153a1b843abd959dd068d74177138a186
Markdowne9fc4d453ced71bc8bd67255e7a34faf0ad9ac2a3c0335070c976c88ea39cf8f
PDF
Publication pagecdcca4505e15eff16c9ee216ac393ccbc6026852123b5a99d1adabc1ddd79aa5
Manifest52ae0b1c648818085e7e3406eddc5a83e313c443c02262e439c77cf6e00d38ca

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
SignaturemxU/uCHcX4kqpX5tnStvNEDa9ZTUN3mCziG2vpOQFKGqOp+t5xsPVYrxXGRHI3GSIqO7aq6x22rKsSPmSf1bCw==
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

2026-09-17T09:46:57.164887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089055
observed cdcca4505e15eff16c9ee216ac393ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.145890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089055/manifest.json
observed 52ae0b1c648818085e7e3406eddc5a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.128887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089055/publication.md
observed e9fc4d453ced71bc8bd67255e7a34faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.112359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089055/publication.txt
observed 916619cfd18d2d8c01f90269368c4c81...
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.