OpenTechnical

OT-2026-000102731

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000102731) never changes.

Identity and time

Publication numberOT-2026-000102731 · never reused
Internal UUID01a0aea4-858c-797a-8647-7c974986b52d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102731
StatusPUBLIC

Content hashes

Canonical text4a45a0eb5034d26d0acbc9066cf70ff345f2c9615b3cda600697b9f4ae4b0482
Markdown61ef28f04c1c79b3262366cec9c07e8381b37caea67a37f5294cc3a9ef89b49d
PDF
Publication page7e10aa0982fecc94de0445a837a93f8ee30465cc85d9773f8b414641d05b94a1
Manifestd5804f302939aa825153b5c3e46d55636eab9133f598dcc1314a894ea615f738

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
Signature1NaOnwBINSYl2tLyJ+dPmrOOn/lExSm1UUmSBFSgNudpCfvHomPYFTeWEi2tuAo1aRE8Jp5C3jUH9x5gCO+QAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:14.913477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102731
observed 7e10aa0982fecc94de0445a837a93f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.894332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102731/manifest.json
observed d5804f302939aa825153b5c3e46d5563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.875087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102731/publication.md
observed 61ef28f04c1c79b3262366cec9c07e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.856379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102731/publication.txt
observed 4a45a0eb5034d26d0acbc9066cf70ff3...
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.