OpenTechnical

OT-2026-000014473

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000014473) never changes.

Identity and time

Publication numberOT-2026-000014473 · never reused
Internal UUID01a0ae6d-b27b-729d-a84a-e76692b92d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014473
StatusPUBLIC

Content hashes

Canonical text1f6a17f4faf0d99fad84479df790adccc69a83c28486007cb5faefdf81b51f17
Markdown763a6100cac8a78aedb46e70c4d9850625c02121ae37f365954c9f1fa22317f7
PDF
Publication page6c4a50f6c4aa5b3ccfb61a083df16eff7c243713f72a9ee99015f99d87662382
Manifestc128c6e9afd59697902882bf52a7953fec0052d4f9f18004c7df79f5f7dae813

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
Signaturea6XEdCKnKJdz8MJ1Oo5lseq+74HnEDtg9R6aOGkkNOBuG36HLQPYb3f8R+8Ld2iRl7TMIW1QMVIHtIkvux3yCA==
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

2026-09-17T12:10:17.124471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473
observed 6c4a50f6c4aa5b3ccfb61a083df16eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.103221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/manifest.json
observed c128c6e9afd59697902882bf52a7953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.083835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/publication.md
observed 763a6100cac8a78aedb46e70c4d98506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.062813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/publication.txt
observed 1f6a17f4faf0d99fad84479df790adcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.290421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473
observed 6c4a50f6c4aa5b3ccfb61a083df16eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.272638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/manifest.json
observed c128c6e9afd59697902882bf52a7953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.253734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/publication.md
observed 763a6100cac8a78aedb46e70c4d98506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.232349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014473/publication.txt
observed 1f6a17f4faf0d99fad84479df790adcc...
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.