OpenTechnical

OT-2026-000026041

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-2026-000026041) never changes.

Identity and time

Publication numberOT-2026-000026041 · never reused
Internal UUID01a0ae71-a840-73ff-bbac-7a802935d214 · 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-2026-000026041
StatusPUBLIC

Content hashes

Canonical text7b866a5c814637af35924ffaf40da66c79c1179ee7c7f2a2f665200a0bc207c0
Markdown1d1a1a9e7d980aa5fbb87c56c548bd567efd5d3e671523215fa294f71d4f3c5b
PDF
Publication pagee7ce56e93e636d36eedec24a39ed55054539e9cfb51ee6ef74f0c6a4cc60058a
Manifest2602c58cf0d08087c6da6fd1d5b1388fc0f3e0b9428f657835530626a9d6bdd0

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
Signature0EWsjhP1V+2YYgjo3EtWzWv3YMazPtV2CGb8Fjgqnmikhr39MsBgk98UiV3v4gxADnitwID6nUE6z1w/XYkuBQ==
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

2026-09-17T11:46:25.779543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026041
observed e7ce56e93e636d36eedec24a39ed5505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.761642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026041/manifest.json
observed 2602c58cf0d08087c6da6fd1d5b1388f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.742635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026041/publication.md
observed 1d1a1a9e7d980aa5fbb87c56c548bd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.725308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026041/publication.txt
observed 7b866a5c814637af35924ffaf40da66c...
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.