OpenTechnical

OT-2026-000079404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000079404) never changes.

Identity and time

Publication numberOT-2026-000079404 · never reused
Internal UUID01a0ae96-0b91-72c6-8c5e-d351cff3ab8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079404
StatusPUBLIC

Content hashes

Canonical text148915b47e808e9915851183fc26564d827ddf04973114ff282d8a2471144f85
Markdown54a89609af314504b9e9855ad7bd96bc7da0ea6bbc82128bce9372849888802a
PDF
Publication page9bed8644c83ecd68cc3fb46f5a411be40f215383d0755e4f2caa7c85317123c8
Manifest3529acad4f7cf0e53f4bc002374d0a666a437294d99e0c343a618a4189c3a4fc

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
SignatureutVb3kNC4cuaJyzJOYt25ObolTx6ibtD2TNOhMtDsK2AoTAMuQHOLOi4js0QJYM6EbbXkBk3mlYzN1lCBqbZCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:01.685814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079404
observed 9bed8644c83ecd68cc3fb46f5a411be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.666902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079404/manifest.json
observed 3529acad4f7cf0e53f4bc002374d0a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.648053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079404/publication.md
observed 54a89609af314504b9e9855ad7bd96bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.628187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079404/publication.txt
observed 148915b47e808e9915851183fc26564d...
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.