OpenTechnical

OT-2026-000014411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000014411) never changes.

Identity and time

Publication numberOT-2026-000014411 · never reused
Internal UUID01a0ae6d-b27a-7c5e-8b1a-eb04e114aafd · 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-2026-000014411
StatusPUBLIC

Content hashes

Canonical text257a62de1ce860eda4dbba3959bbd56d7c178dbe2b7592f6ef868f2e0ccbdf67
Markdown25db5b7aed95db719632d892a48fb4f1933e0ba5519449b7de2a225996444118
PDF
Publication page3c20633da5bd9775c2fdaebe6ddf1e894ec7b0fc08f1f49ba6b8e3f737abde85
Manifest42c23fb7a4f65467a5e8b091b691c1139bc39ef5bf38daecb94b7ba66f5c3f0e

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
SignatureM034krXLexbLr2tw1Oc1yUocQDQRepyvn8LFOdD4mPahHbJJVpO2CH7mbeI/OY3UXXyuS9ib8AQCP+iZDUf+Ag==
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

2026-09-17T12:10:10.494951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411
observed 3c20633da5bd9775c2fdaebe6ddf1e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.477678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/manifest.json
observed 42c23fb7a4f65467a5e8b091b691c113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.459640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/publication.md
observed 25db5b7aed95db719632d892a48fb4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.441488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/publication.txt
observed 257a62de1ce860eda4dbba3959bbd56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.338945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411
observed 3c20633da5bd9775c2fdaebe6ddf1e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.320170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/manifest.json
observed 42c23fb7a4f65467a5e8b091b691c113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.301786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/publication.md
observed 25db5b7aed95db719632d892a48fb4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:16.282748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014411/publication.txt
observed 257a62de1ce860eda4dbba3959bbd56d...
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.