OpenTechnical

OT-2026-000098774

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold 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-2026-000098774) never changes.

Identity and time

Publication numberOT-2026-000098774 · never reused
Internal UUID01a0aea2-42af-78a3-be92-bf7ce3e882d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098774
StatusPUBLIC

Content hashes

Canonical text14b5a0a0787026612d48d20b56627f426092c09f11ec055d67d2933f1e41ab91
Markdown8e9971242f89afd982b2a3a4371763ecc1ff8dd251cedb8ecd770ea262da4e7e
PDF
Publication page6fa7e5ab25e9da1741f7e16dc0e3132d604e3c012fc38e2fa38212401319759e
Manifest8c498bbb902c4991f483db4fd82bc960c09502ba8c6bf0e4a0e240373f9b56b9

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
SignatureIroawJAO5EHPx52XQsyNywL6dk8zVWmGxHL/oBuJBIbWneXBVV856+LSCxoJ3eCzFTcXfkkrdYcbMZNIGb8uAg==
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

2026-09-17T09:31:05.809024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098774
observed 6fa7e5ab25e9da1741f7e16dc0e3132d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.788994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098774/manifest.json
observed 8c498bbb902c4991f483db4fd82bc960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.768014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098774/publication.md
observed 8e9971242f89afd982b2a3a4371763ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.750445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098774/publication.txt
observed 14b5a0a0787026612d48d20b56627f42...
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.