OpenTechnical

OT-2026-000104061

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000104061) never changes.

Identity and time

Publication numberOT-2026-000104061 · never reused
Internal UUID01a0aea5-341e-79b3-b7c1-3b97f0ece16d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104061
StatusPUBLIC

Content hashes

Canonical text4d71be1ab47ffafc791cc3b769b4d2181d950a17a601770de9a010c96fe2ab8c
Markdownb58d7e3e1c23fe07f2503f65c83d88fa0824352c13cae43759648d5da96815c9
PDF
Publication pagec1ef55b13e7ccf72fce666117e3438dcbf3384d14c157d58a3b9a5ed64712528
Manifest06ef1e24e48e622e435a69d324266d36851e8639fa876f029bd223a23b95b70f

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
SignatureV2SLE3xwth2EJSQbPpzUOe8sqoUwSW1X7XoOJDXjrNpJFuBXpVQxBQsyp/axxewgbDum6DGVGO1Wheiq4meNCw==
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

2026-09-17T09:20:03.947683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104061
observed c1ef55b13e7ccf72fce666117e3438dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.929448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104061/manifest.json
observed 06ef1e24e48e622e435a69d324266d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.875868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104061/publication.md
observed b58d7e3e1c23fe07f2503f65c83d88fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.779349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104061/publication.txt
observed 4d71be1ab47ffafc791cc3b769b4d218...
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.