OpenTechnical

OT-2026-000075068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075068) never changes.

Identity and time

Publication numberOT-2026-000075068 · never reused
Internal UUID01a0ae93-ac2e-785a-912c-13309b3ef272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075068
StatusPUBLIC

Content hashes

Canonical texte70d279c365ad66f2bcbee2a8311a214b5da27a2e0338a7ab280cfe45f332ed2
Markdown9e1429460cb8b575ed611b45c7ef5ae98205edce091518440c26b846393fb965
PDF
Publication page7ba46c69d1d8f6ca797b72623f5462512f0f5cf2d5e7f332696e2a93b4ae3a60
Manifest58453d9a562e26feb9ec327c56b0ffedc21f6f00a16e870fe031a25d41f6b41e

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
Signature5rzOEQniyvcrThuUGuMFMQDizvIydtnwqGmJLthyqi/xvgzOv1U8PHOfvnRHrWQZ9BIPQFc7WkSRLEPW1ZnGBg==
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

2026-09-17T10:18:53.248783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075068
observed 7ba46c69d1d8f6ca797b72623f546251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.232457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075068/manifest.json
observed 58453d9a562e26feb9ec327c56b0ffed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.216704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075068/publication.md
observed 9e1429460cb8b575ed611b45c7ef5ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.199916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075068/publication.txt
observed e70d279c365ad66f2bcbee2a8311a214...
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.