OpenTechnical

OT-2026-000097727

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000097727) never changes.

Identity and time

Publication numberOT-2026-000097727 · never reused
Internal UUID01a0aea1-92f5-7cc1-825b-25711a6ecbdc · 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-2026-000097727
StatusPUBLIC

Content hashes

Canonical text6bee08de77e89b833e5cd517dee2cab886a84728020f5a4e98b77cc93af1d303
Markdown19d09dc0aaaad5ff3bd717f8717fd35472cc56f1fbadf94d556b36066ecb6c06
PDF
Publication page2be206d65c2c8e7f8cb95e4f0c3f41f8785e56e483ad34680f64178108099dcb
Manifestc781a5b264fa7506655313019e23b410819a0e95fe559d5593648ce1b4e878e9

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
Signature5+gMRyGzjElgdCllb0mQ8KSDPmSCs6zDLnieOocUh8iD4PiYoqePfa5tMI+juv80KPbM6eONQIJ9AujQpaAPDg==
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

2026-09-17T09:32:45.676099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097727
observed 2be206d65c2c8e7f8cb95e4f0c3f41f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.651040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097727/manifest.json
observed c781a5b264fa7506655313019e23b410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.625398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097727/publication.md
observed 19d09dc0aaaad5ff3bd717f8717fd354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.596799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097727/publication.txt
observed 6bee08de77e89b833e5cd517dee2cab8...
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.