OpenTechnical

OT-2026-000097768

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000097768) never changes.

Identity and time

Publication numberOT-2026-000097768 · never reused
Internal UUID01a0aea1-92f5-7435-a364-297a64cc7f31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097768
StatusPUBLIC

Content hashes

Canonical text4fae32cd6e316c9134c7279463cd64156bc9c122fdde13ccef025c61dfa50251
Markdown71491d9446dad73d38e7e369dfa5854df15f0eb3f1b4f1c6bb917b95935af803
PDF
Publication page7fbd9dde6004f4cf2cbb6dc28517d2ef3080c9d5b30810ce15c9831d033124ae
Manifest5f22c23ec4826bf22ad5d5840c2709ff403caabdcea619e6f88d3702293dddfa

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
Signatureec3ArRNYF2pHFkVPFB9Kl92QtbSQEzppFUri6Ppdf0nIFUbl07JAi0wYY6fGRcEfchRfTn+swMpKotdY+nWzDg==
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

2026-09-17T09:32:50.640465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097768
observed 7fbd9dde6004f4cf2cbb6dc28517d2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.622298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097768/manifest.json
observed 5f22c23ec4826bf22ad5d5840c2709ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.605424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097768/publication.md
observed 71491d9446dad73d38e7e369dfa5854d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.587644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097768/publication.txt
observed 4fae32cd6e316c9134c7279463cd6415...
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.