OpenTechnical

OT-2026-000103002

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000103002) never changes.

Identity and time

Publication numberOT-2026-000103002 · never reused
Internal UUID01a0aea4-be3d-7750-8076-fce7ad56d1c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103002
StatusPUBLIC

Content hashes

Canonical text4cafba124a4777b4288ce6e360b0d90226f23a9ddb4a26aff9288e00392658c9
Markdown895ddbb56e9519ccbe1ee28d278bfbac162541611ee1045dbdec5a130b9cfefe
PDF
Publication page6b0f0f09627a4c809c4d4cf4beea829869016c2f8c863c12bd25676b3524262f
Manifest68f6e578285fbc184b5e0478d87f57f95c5ebc9c0990c30b787c812a95f619b2

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
Signature4R4+awSvG5PfbVWdeL7n3zKvQLyFYyuZDMvPllAsx4wQn3oJcNTFx60/b/agDpZyxQI9XswoFDZScNlJv41rDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:07.071513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103002
observed 6b0f0f09627a4c809c4d4cf4beea8298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.056392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103002/manifest.json
observed 68f6e578285fbc184b5e0478d87f57f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.039549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103002/publication.md
observed 895ddbb56e9519ccbe1ee28d278bfbac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.020853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103002/publication.txt
observed 4cafba124a4777b4288ce6e360b0d902...
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.