OpenTechnical

OT-2026-000097769

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-2026-000097769) never changes.

Identity and time

Publication numberOT-2026-000097769 · never reused
Internal UUID01a0aea1-92f5-72e1-8adf-4dd41d10e80e · 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-2026-000097769
StatusPUBLIC

Content hashes

Canonical text5b1f8a4195c4286151c35111d1e98548eab3a01d3463bee52dac92b424beb1a4
Markdown3bcefd0a3b84491e1009d628d8d2f232ac72086b7cafa0c2fbba3cd0e6cdb3df
PDF
Publication page5f2cfb9a2bfc69f1cfdafe8ccb0f2fccae3d8c2fdf3a4c43361d382cb9776331
Manifest4f1e13136708626697fe130821274037b5c126499c933e981050a1598101124b

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
SignaturedNu5VnKw+7ubayBKJWAAt8himWenXaoc9QYHRe8Ekm4atBvUm7PYZM+fLpwd43KJ2+NDJ5crhuNpTcb9KT1+Cw==
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

2026-09-17T09:32:50.714631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097769
observed 5f2cfb9a2bfc69f1cfdafe8ccb0f2fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.696272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097769/manifest.json
observed 4f1e13136708626697fe130821274037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.679049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097769/publication.md
observed 3bcefd0a3b84491e1009d628d8d2f232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:50.661643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097769/publication.txt
observed 5b1f8a4195c4286151c35111d1e98548...
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.