OpenTechnical

OT-2026-000035516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000035516) never changes.

Identity and time

Publication numberOT-2026-000035516 · never reused
Internal UUID01a0ae76-b4c5-787c-87bb-61290be2ba50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035516
StatusPUBLIC

Content hashes

Canonical textb5ff162876c7f17a6dcb696a8a1fac23ae322c10474f749b1623553431f78ad1
Markdown49081f9c72dce01be6a59c86b291e2746faedb89e907d8a26682bc0e8e9c752c
PDF
Publication page5607b3a5ebf17303893cf6dd0e76ad137ca923ccfd6b619245440931672173a4
Manifest8628f6a9c2e1ff130542e87aae19dc417de48406ac380710c4e8dc47e19b2973

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
SignatureuIr38QPkNHK0dbpiRvLtLAa8CYWrgZ8EYLTemhDU51O4XAiD6w5whrBso3MwXOfAbiEr3uiVKMFQmTJR/Mf8CQ==
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

2026-09-17T11:26:56.239585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035516
observed 5607b3a5ebf17303893cf6dd0e76ad13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.223707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035516/manifest.json
observed 8628f6a9c2e1ff130542e87aae19dc41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.207621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035516/publication.md
observed 49081f9c72dce01be6a59c86b291e274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.191450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035516/publication.txt
observed b5ff162876c7f17a6dcb696a8a1fac23...
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.