OpenTechnical

OT-2026-000029620

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000029620) never changes.

Identity and time

Publication numberOT-2026-000029620 · never reused
Internal UUID01a0ae73-5e22-79e9-9dad-f3d076dc9d9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029620
StatusPUBLIC

Content hashes

Canonical textfcb25e751a9ba37edaa05c5f12076d0a9966c30ee194fc78970c12915907bcaa
Markdown8395f00fe8b834b8ffb8ce278b0e56c3fa786d8d046df68c5b1c436d0c19a8fe
PDF
Publication page10ba59501c1ecbde34b0b5690d5df73629b0b93fd759e6ce91d2c421a5abc38b
Manifest6fea3ca079910f7eb7d6a0f83becc2e6b78f7729ffd1f1122b6eb56687a67c07

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
Signaturea5T0ni//4zpi43vgwqCF4e5WJpEovTqaAZtPELVNfdcnrWTEjV7IZkg438sdEnW0foaL/AgE/SJgVnYZ3drKAA==
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

2026-09-17T11:39:19.641859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029620
observed 10ba59501c1ecbde34b0b5690d5df736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.622732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029620/manifest.json
observed 6fea3ca079910f7eb7d6a0f83becc2e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.605023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029620/publication.md
observed 8395f00fe8b834b8ffb8ce278b0e56c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.587299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029620/publication.txt
observed fcb25e751a9ba37edaa05c5f12076d0a...
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.