OpenTechnical

OT-2026-000038915

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038915) never changes.

Identity and time

Publication numberOT-2026-000038915 · never reused
Internal UUID01a0ae78-769f-7322-b7df-449a6f4c9d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038915
StatusPUBLIC

Content hashes

Canonical textf7ecbed1986d45cb427d13bf9b93c6f379883d0ee05486df7f9a65db33b787d1
Markdown7d44ba8300a72db43e96887c04851ffa7815e568a8903648c2d07b78e776db47
PDF
Publication page3d46026a000e9cc8c2dd6a721fffc111cb42c9bdcabf1adefbc91b4d4e6b4b4c
Manifest6c221eb6e30ec72766b5bed40781728bed92c59b8a9572419de0239ce1e213ae

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
SignaturekistCvvlU1ANoecE+oGLAfZ+Ott0szQURLs3nVMwty4QMxpcKQad/9VLGbxvDmYnuGCx0IABLl5A3/+Vu/dRBQ==
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

2026-09-17T11:21:35.358535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038915
observed 3d46026a000e9cc8c2dd6a721fffc111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.339101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038915/manifest.json
observed 6c221eb6e30ec72766b5bed40781728b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.320624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038915/publication.md
observed 7d44ba8300a72db43e96887c04851ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.301460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038915/publication.txt
observed f7ecbed1986d45cb427d13bf9b93c6f3...
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.