OpenTechnical

OT-2026-000064677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064677) never changes.

Identity and time

Publication numberOT-2026-000064677 · never reused
Internal UUID01a0ae8d-deb9-72c3-8d35-8d24cd4e0478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064677
StatusPUBLIC

Content hashes

Canonical textd1640790d23c27c4330a3c8a663a1e45dd18207e4954e7ac4d8b315d15a3f03e
Markdown2f4cbf23a10e9608f816496df57a387919459099cf67f450bafcecd35f67c1ce
PDF
Publication page4c8c0ddc8c8588766dbcbdabd90da772dc2edfc3ec2ce52da1b9116c4f06c576
Manifestbbdc32bd0b40785708cc480e2addb02d8c237258c4b2413063fbd5f838f54db3

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
SignatureiwzitbZrNPB+5QLr1vbNP0SDuw8rm+HNqSixjPIQtsBo/OGz+WDxQa3D7Mb/AMUpC3Hbpbr2ahlQiBVCHzsiCA==
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

2026-09-17T10:35:28.355590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064677
observed 4c8c0ddc8c8588766dbcbdabd90da772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.338348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064677/manifest.json
observed bbdc32bd0b40785708cc480e2addb02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.322071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064677/publication.md
observed 2f4cbf23a10e9608f816496df57a3879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.307036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064677/publication.txt
observed d1640790d23c27c4330a3c8a663a1e45...
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.