OpenTechnical

OT-2026-000026601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000026601) never changes.

Identity and time

Publication numberOT-2026-000026601 · never reused
Internal UUID01a0ae71-f4a9-77e8-96cb-b9f87404c3ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026601
StatusPUBLIC

Content hashes

Canonical textdfeaf54a5dc39392a2e48ef2a07d1f32a146086e8f37f8d3de31f9705c0ace1c
Markdown1bfd5d7c7d7884b43bcf2451d7c94585b2178040fbe86e2ab96c3f6841a8c924
PDF
Publication pagefae90356739c700eb4ebd4f39bd74c953616a99f625a4114b05039d621d0ceb0
Manifest142f3a57b6f0c260ec59c6fb375c2188ae1ce18fbd5647a78b24c3432ec94c54

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
SignaturedYeaM12Tbn2cs09qKJq/SupSvdwZzV0Zy06NVjKRXL46WwEfpsIeOrCTRquaxeciiAl6KjuSapuYMQ61TdbWAQ==
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

2026-09-17T11:45:40.418064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026601
observed fae90356739c700eb4ebd4f39bd74c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.395611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026601/manifest.json
observed 142f3a57b6f0c260ec59c6fb375c2188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.376923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026601/publication.md
observed 1bfd5d7c7d7884b43bcf2451d7c94585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.356104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026601/publication.txt
observed dfeaf54a5dc39392a2e48ef2a07d1f32...
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.