OpenTechnical

OT-2026-000008513

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000008513) never changes.

Identity and time

Publication numberOT-2026-000008513 · never reused
Internal UUID01a0ae6a-e46a-74c1-9f6e-68132f62a01d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008513
StatusPUBLIC

Content hashes

Canonical text14d5d10e016afd03891a8b9a4f3a5ca2d0b1d50c316fe2e104c42df8ce5d2daf
Markdown767c39987d1579153ee18a12aabb9de86b85051c9444c73c4a65a592e41e8cde
PDF
Publication page689a6f8af905e0b1398f33fb02085a015f2ba6d7ed062470a7b0ad4649684188
Manifestb518995b3f23b8f420d5686a83ccacb668ffb8b9358a0ce3f3b56b4e0db0f370

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
SignatureJ6DHiOLx0JgwK0lqAPvaLffEzYkpaLcgjQgz1G5orA/3qrE6T/ers0uvEZPqeDj0Sv5scy7qIATE2miygASLAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.509651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008513
observed 689a6f8af905e0b1398f33fb02085a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.489308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008513/manifest.json
observed b518995b3f23b8f420d5686a83ccacb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.468197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008513/publication.md
observed 767c39987d1579153ee18a12aabb9de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:25.447547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008513/publication.txt
observed 14d5d10e016afd03891a8b9a4f3a5ca2...
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.