OpenTechnical

OT-2026-000029258

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000029258) never changes.

Identity and time

Publication numberOT-2026-000029258 · never reused
Internal UUID01a0ae73-2aa1-7ea0-8ef1-c853c0ff3163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029258
StatusPUBLIC

Content hashes

Canonical textdb590f7b56af6d40ea4cc2ff0994e2d539df116e78f0cd7b3087da450cf369f7
Markdown8a6a547879e1a8fc1a221d683a15043245ef261df4af68025b245d435e90c894
PDF
Publication page3000ed187eae74745d2db4927a2161e987cb3daf86d4c368db6b4953f89c681c
Manifest8a9ecd4369e8c482ea9396d0311e555d66109380b272257446949ff99fb8e54e

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
SignatureRC5Nsgc+dZgRkVsWSPz4/AMLQX7TMPiLwhYz/D8lLCEpFCGxvwyB1KWI8Nff2HSOzt47re7Yc5gfW5b9xaPBBg==
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

2026-09-17T11:39:53.309974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029258
observed 3000ed187eae74745d2db4927a2161e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.289878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029258/manifest.json
observed 8a9ecd4369e8c482ea9396d0311e555d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.269214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029258/publication.md
observed 8a6a547879e1a8fc1a221d683a150432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.249726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029258/publication.txt
observed db590f7b56af6d40ea4cc2ff0994e2d5...
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.