OpenTechnical

OT-2026-000092557

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000092557) never changes.

Identity and time

Publication numberOT-2026-000092557 · never reused
Internal UUID01a0ae9d-b5fd-7a2d-8be7-74a1b6ed5c1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092557
StatusPUBLIC

Content hashes

Canonical textf5e24dee968775943211c090481140428d1813dc24ee3caae7a2bc21152d9597
Markdown554033e7e6f091060b02d659819d5c9f987dec9bf2bb7fcc796b91a051cc8dee
PDF
Publication pagebc6f003c5750ecfa6d63c85a85967cae824ff41a81c33eee3bcb662d08ac6bde
Manifest450b928ce139041f72a3c80c088332a1c70052f933290968b4c3cf2445c5872d

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
SignatureFsVbwJoTBGEfFUTxS76d8PDrW8XLiiC8iyFodQCVRpUNV89F2p/VPezFC8qfKIJuaeKdCRhxtXgZ+eMbLQ0MCA==
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

2026-09-17T09:41:08.690382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092557
observed bc6f003c5750ecfa6d63c85a85967cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.671447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092557/manifest.json
observed 450b928ce139041f72a3c80c088332a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.651209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092557/publication.md
observed 554033e7e6f091060b02d659819d5c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.631653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092557/publication.txt
observed f5e24dee968775943211c09048114042...
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.