OpenTechnical

OT-2026-000103139

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000103139) never changes.

Identity and time

Publication numberOT-2026-000103139 · never reused
Internal UUID01a0aea4-be3e-7226-8b39-64b2dd153b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103139
StatusPUBLIC

Content hashes

Canonical text5c7c31f03e255d8ac99a9eaa741a4e2a02e3fe7bcc1c4310b1a51bd801fb2102
Markdown1025435da6abf8d819ce6bbc6655babdf2df64e6b20a5c33c03332ff8ea725ca
PDF
Publication page2f458c53bb45016f3b5478b4ba3b66c5122f66c489772aaaf38d20d30bd637e2
Manifest8b3ba9ef01d678470c1fe0431705ca0c61bb12d78b2e576201e37e3735500313

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
SignatureeT7Q+eBEv0ZwThxSiT4j+R+LqaMpmfVhRafzzuoACy3s6bAwX2bdS3MXb8E7QS3XX8IV+NjZbdLtO+pdy4LcDA==
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

2026-09-17T09:23:20.924754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103139
observed 2f458c53bb45016f3b5478b4ba3b66c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.899434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103139/manifest.json
observed 8b3ba9ef01d678470c1fe0431705ca0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.879427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103139/publication.md
observed 1025435da6abf8d819ce6bbc6655babd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:20.783706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103139/publication.txt
observed 5c7c31f03e255d8ac99a9eaa741a4e2a...
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.