OpenTechnical

OT-2026-000012547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000012547) never changes.

Identity and time

Publication numberOT-2026-000012547 · never reused
Internal UUID01a0ae6d-39f7-765b-be98-e53ec76a1313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012547
StatusPUBLIC

Content hashes

Canonical textf71cac0eca2812779ec3910bccf6908ebc99d14d52ef7c1ef3ec1db4be33bf8a
Markdown9410f5b0072eeaedd4ec037c1c646c2249684ba1bf4a0e4efbcd5fe7d1ead4ad
PDF
Publication page1d8ab199e14bd089a43065e7f1eff5ad3be13ac5f3b6b829ee92158b7ded75c0
Manifest28533d2ed667e90091c933116d09bd5d04aa6d3068f9c7aaffa6a0f45cff12a5

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
SignatureB/RwNxQrqsCh+qGwrWP7ZS4VTd716kLAMCtNbw4i61DKKsKTZR30E6n9Arcog3OUOOBph+FWcid03qJpSPpuAw==
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

2026-10-16T12:41:08.327568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547
observed 1d8ab199e14bd089a43065e7f1eff5ad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T12:41:08.276669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/manifest.json
observed 28533d2ed667e90091c933116d09bd5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T12:41:08.226679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/publication.md
observed 9410f5b0072eeaedd4ec037c1c646c22...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T12:41:08.173708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/publication.txt
observed f71cac0eca2812779ec3910bccf6908e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.328256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547
observed 1d8ab199e14bd089a43065e7f1eff5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.310186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/manifest.json
observed 28533d2ed667e90091c933116d09bd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.288700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/publication.md
observed 9410f5b0072eeaedd4ec037c1c646c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.267380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012547/publication.txt
observed f71cac0eca2812779ec3910bccf6908e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent