OpenTechnical

OT-2026-000015019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000015019) never changes.

Identity and time

Publication numberOT-2026-000015019 · never reused
Internal UUID01a0ae6d-d096-7bb7-95a0-98be766b0754 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015019
StatusPUBLIC

Content hashes

Canonical texte616b4070c79be1a54088cba56647ec27596e63b20064ccdebb60ee4e23ca0a0
Markdownd9d2c6c465db7e8a209c22add14d9d00c9b8f5f9859547229177515d2564f118
PDF
Publication page26e640396d40b5cb7b372036e2d5eaa2aedd90bea626a3552f4568394e03c7c7
Manifest5392d138aa42110027cfc0417efeb052d7a5d7e7c9ccde85faaf75a9b8e0bc1a

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
SignaturePqDR82yRhgZU9GXrHKtw8roi9mFGDzv08xnHPivKl2eC7pgJpnbqb99WV8olmGco3T/1wS60vtPgIth0IdzIBg==
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

2026-09-17T12:06:59.557302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015019
observed 26e640396d40b5cb7b372036e2d5eaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.537465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015019/manifest.json
observed 5392d138aa42110027cfc0417efeb052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.517114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015019/publication.md
observed d9d2c6c465db7e8a209c22add14d9d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.493675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015019/publication.txt
observed e616b4070c79be1a54088cba56647ec2...
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.