OpenTechnical

OT-2026-000012518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000012518) never changes.

Identity and time

Publication numberOT-2026-000012518 · never reused
Internal UUID01a0ae6d-39f7-7a7a-b19c-1bed603b3f78 · 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-2026-000012518
StatusPUBLIC

Content hashes

Canonical textcea0366449643101cd93ee166fb3d276ae65f58e91c347fa50ec171d25a3cf4d
Markdown2730aab2d02a7a9a8fbd683196cfc6329b1aec1772e475d472957783091f6a2d
PDF
Publication page6380ebad3dccd5b6151a6b1cfce297d0fa33ce3bbaa313a8751738dd119de984
Manifest78fd0d7a6d3369d2d058a824723c2edf9fc3b3caefdc06e73ff98ab4008c6539

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
Signaturenz+JN+6QT/QFWsKvjXC2qRY4aRQMljMb0y1zHn+GhApmLsEoDC1cGsNsEsQPJIrlZTP88B+chCgQPriIKOI2BQ==
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

2026-09-17T08:44:14.736929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012518
observed 6380ebad3dccd5b6151a6b1cfce297d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:14.488703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012518/manifest.json
observed 78fd0d7a6d3369d2d058a824723c2edf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:14.279374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012518/publication.md
observed 2730aab2d02a7a9a8fbd683196cfc632...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:14.052246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012518/publication.txt
observed cea0366449643101cd93ee166fb3d276...
fetched by grabo-systems from 34.44.131.203, 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.