OpenTechnical

OT-2026-000030283

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030283) never changes.

Identity and time

Publication numberOT-2026-000030283 · never reused
Internal UUID01a0ae73-e500-7769-95c5-6087e8c9a0cc · 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-2026-000030283
StatusPUBLIC

Content hashes

Canonical text1f17452799c867cbd40bb7703ca15d6968e0e66793e78c3633acdd9999ee3628
Markdownf996fc8018639a29abfa613d6852e3321c2e5e755e0bb748db094a75a5ca942c
PDF
Publication page62fe876925804303cc5ac0350eeee98ed27eedd3761e543899f87c75e19e7108
Manifest5add72e8fc249f1f161b5df928417b0ee86e8be46cc5d4709119657285778655

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
Signaturezn0dsHPN6gaay5kTGuUY9qquNbFm01Qubiu36O3D3o/g1kL7Lb7DJNT965zx2VAK1DrTi8efMZ3CJIZPFDpgCA==
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

2026-09-17T11:40:47.184041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283
observed 62fe876925804303cc5ac0350eeee98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.166843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/manifest.json
observed 5add72e8fc249f1f161b5df928417b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.151574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/publication.md
observed f996fc8018639a29abfa613d6852e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.134799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/publication.txt
observed 1f17452799c867cbd40bb7703ca15d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.068141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283
observed 62fe876925804303cc5ac0350eeee98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.051444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/manifest.json
observed 5add72e8fc249f1f161b5df928417b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.035136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/publication.md
observed f996fc8018639a29abfa613d6852e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.017384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030283/publication.txt
observed 1f17452799c867cbd40bb7703ca15d69...
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.