OpenTechnical

OT-2026-000087136

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000087136) never changes.

Identity and time

Publication numberOT-2026-000087136 · never reused
Internal UUID01a0ae9a-9f2e-782a-9358-a20ba72d4e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087136
StatusPUBLIC

Content hashes

Canonical text54ef3bd01e2dd5c51defa3997c0130a3263a1128368d3bfe4cffb3e37dfbfaf4
Markdown76fb04e57a76aae66b4c4e247e7600398c7b60757dddb5db0b94dd372081fa37
PDF
Publication page917e82653be9b18b52fdbc723e95e21d3f7e80f7159ee5a40c2022a770412ecc
Manifestc340239573038aa0085cae83858c8c8deb843f2651d63d66585fc74987cf4cd5

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
Signature+BqPRjuGQLoXsvL4VpAFm/wIV3/JITktLaQZgMD2E4gnCS0/lfOE8kuEYRuRqEMTMxyTzehUGQYtNqK45A0CAQ==
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

2026-09-17T09:51:23.967940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087136
observed 917e82653be9b18b52fdbc723e95e21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.950789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087136/manifest.json
observed c340239573038aa0085cae83858c8c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.917952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087136/publication.md
observed 76fb04e57a76aae66b4c4e247e760039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.890529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087136/publication.txt
observed 54ef3bd01e2dd5c51defa3997c0130a3...
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.