OpenTechnical

OT-2026-000026926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026926) never changes.

Identity and time

Publication numberOT-2026-000026926 · never reused
Internal UUID01a0ae72-3452-7834-9da2-d9e8fc9bd836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026926
StatusPUBLIC

Content hashes

Canonical textef9bbff84f222dda757c5e89908930e676b9d1ecd11cc981bcac40415e2b7f36
Markdowndda52d5d75566957ac058215ce29c7d4eee7573b97ff26ca19f827a81236a8b6
PDF
Publication page6babdab992eca90d08bf8e14bea8a2c41b4e9ae5ad3ce0c6fca4607afd951453
Manifestb964d8a5f32d5016325e24c478cae3c1b02df50f7651d3c12f502e3a46a3d1a6

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
SignatureOxxQtUCAq8iC7191yXlsPYdxKZ6UqU9ewZRpJKFM08mHcElXmwk6xPTCMU2Ye0kFzRXpr0NxkFAZof6JlzxQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:32.523254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026926
observed 6babdab992eca90d08bf8e14bea8a2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.508392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026926/manifest.json
observed b964d8a5f32d5016325e24c478cae3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.492572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026926/publication.md
observed dda52d5d75566957ac058215ce29c7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.477624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026926/publication.txt
observed ef9bbff84f222dda757c5e89908930e6...
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.