OpenTechnical

OT-2026-000070453

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000070453) never changes.

Identity and time

Publication numberOT-2026-000070453 · never reused
Internal UUID01a0ae91-545f-7e67-ba3f-59a08393062d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070453
StatusPUBLIC

Content hashes

Canonical texte52876d7bdf2c2d21f81ba6f5aa75b1c0e39f68e2238178aa1d5ef24b39b6192
Markdown269c9618651bd84dc2f7bcc8bd87dbfb6875e20e9bffa2ace46cf7aaa548100d
PDF
Publication page422776ffa8036bea27b3bc1e215c16cd97c65f514143005aea44607903fb86bb
Manifestbd87ef5a1fa15ace8237a782dc6f50d1d37c777a57807bad9ab51e13366419fa

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
SignaturePiML6+zv5wDxZInA+kBjGvOGQLBh++U71+QvNYWAABZo/0u97oVBv2tdkDmmqTbe+bdXCadf0Zb7T5IJpcIBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:16.668645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070453
observed 422776ffa8036bea27b3bc1e215c16cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.651158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070453/manifest.json
observed bd87ef5a1fa15ace8237a782dc6f50d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.633316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070453/publication.md
observed 269c9618651bd84dc2f7bcc8bd87dbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.616745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070453/publication.txt
observed e52876d7bdf2c2d21f81ba6f5aa75b1c...
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.