OpenTechnical

OT-2026-000030381

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030381) never changes.

Identity and time

Publication numberOT-2026-000030381 · never reused
Internal UUID01a0ae73-e502-7a71-9517-ea3f695c8d43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030381
StatusPUBLIC

Content hashes

Canonical text3a603fc9c3095f49e375471c29274bd1ed65b46194e86b10bcd97a09f87a84e1
Markdowna588d733eb741ff5829bf94a2fcc0af437a46871b5f97333ea3b32cfce7d8565
PDF
Publication page13007e159a027130e3902df89e9c20a92e45b87546671e96ea49f9fb3dcf226c
Manifest354421ff8e2a595e42676eba23e5149bf16cab963a7bf4e0c4a22580da59f3d1

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
SignatureoQ8z8UcvfnJkCcpRConlP/PeiKNNMUmhczIi6qnsckWrumtCbZeiHUdPRtX6pbR0QLC0RjoWnG2BrMUGrIMpCQ==
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

2026-09-17T11:38:06.361329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030381
observed 13007e159a027130e3902df89e9c20a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.344777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030381/manifest.json
observed 354421ff8e2a595e42676eba23e5149b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.328325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030381/publication.md
observed a588d733eb741ff5829bf94a2fcc0af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:06.306531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030381/publication.txt
observed 3a603fc9c3095f49e375471c29274bd1...
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.