OpenTechnical

OT-2026-000014491

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000014491) never changes.

Identity and time

Publication numberOT-2026-000014491 · never reused
Internal UUID01a0ae6d-b27b-798c-9f85-21c46bd77943 · 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-2026-000014491
StatusPUBLIC

Content hashes

Canonical textcfe52a769e0b6e70bd6cac95e7aee29772da983ce3164f8601344708ff0c06b9
Markdownf10027b445c3dfcf23978c60f78fa90037c4b2d6ced52f093d37a360ceb1fd2c
PDF
Publication page43c75edede1ae8d39d336fed4d422f4ec015250aad81386843439dab8bb8b4e8
Manifestc802668f8e07bf714d76cfa4e41f30f24dee7adad7b821ca135ab927a0d86f16

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
SignaturePk1n8eGrDhZYlrXcOg+Ogf/7KLR41nmacxWd1JgyEMVHLd3L6jiEkeD4TreCk8hFkaimYrZBpQIhscOHRQa4Aw==
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

2026-09-17T12:10:18.945226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491
observed 43c75edede1ae8d39d336fed4d422f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.925458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/manifest.json
observed c802668f8e07bf714d76cfa4e41f30f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.907266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/publication.md
observed f10027b445c3dfcf23978c60f78fa900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.885342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/publication.txt
observed cfe52a769e0b6e70bd6cac95e7aee297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.670161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491
observed 43c75edede1ae8d39d336fed4d422f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.652773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/manifest.json
observed c802668f8e07bf714d76cfa4e41f30f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.633821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/publication.md
observed f10027b445c3dfcf23978c60f78fa900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.614629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014491/publication.txt
observed cfe52a769e0b6e70bd6cac95e7aee297...
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.