OpenTechnical

OT-2026-000041369

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000041369) never changes.

Identity and time

Publication numberOT-2026-000041369 · never reused
Internal UUID01a0ae79-b144-7c12-9517-9756e3b0bcae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041369
StatusPUBLIC

Content hashes

Canonical textcb7d81b6f9b100d6bf76616ca8de7966ba1290cad5db90edb982283ca87adf07
Markdownccb99df4f3b28a70a1a732062d27a72bea35b012af7ae80172dc99e5ebeab0be
PDF
Publication pagee2e498ed0dd26e3e25afae7a0be5c6094e5e027132dd383705d89ad0bffe9a66
Manifest927241912a02fe78913f6d13561a2cf3680980da522b0745f33f3ec0cff876ef

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
SignatureSYsl7RUdKdZ5zUOC4SKEGeCVH/LE+J+p91LGv6gF40JkCpq35nkhD226euMfqiMZZj386fzPq6uwiTIZ1CMFCA==
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

2026-09-17T11:17:22.451537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041369
observed e2e498ed0dd26e3e25afae7a0be5c609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.435676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041369/manifest.json
observed 927241912a02fe78913f6d13561a2cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.417672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041369/publication.md
observed ccb99df4f3b28a70a1a732062d27a72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.399903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041369/publication.txt
observed cb7d81b6f9b100d6bf76616ca8de7966...
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.