OpenTechnical

OT-2026-000026029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000026029) never changes.

Identity and time

Publication numberOT-2026-000026029 · never reused
Internal UUID01a0ae71-a840-72a7-bde4-63f3b207ea65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026029
StatusPUBLIC

Content hashes

Canonical text47ad866c766611754e69e6c107115f2c9fcb9932a224471adee00221b4c4a64a
Markdown785c1ca8d8fe71ca4862310a2cb3cb8e34912ea9ce3f18cbd445da5654edc59b
PDF
Publication page49b4c7ef05ffd000ace0e6d0de3f716723f165b5ed062ed0fe0f55a641f55593
Manifest3c8d1ec93139674e3fe1cca2157f05f096c52365b37bd032084880fb3b66bf42

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
Signatured8xHYJXDzrshbUYxUTrkYDEkFPxuUBDjDp2GlFIK0z3Av0k81JHY8a2N8VORF8lEB1PP/w+05VKq+QVj2DlxBg==
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

2026-09-17T11:46:24.865296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026029
observed 49b4c7ef05ffd000ace0e6d0de3f7167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.847526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026029/manifest.json
observed 3c8d1ec93139674e3fe1cca2157f05f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.828371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026029/publication.md
observed 785c1ca8d8fe71ca4862310a2cb3cb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.809883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026029/publication.txt
observed 47ad866c766611754e69e6c107115f2c...
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.