OpenTechnical

OT-2026-000025557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025557) never changes.

Identity and time

Publication numberOT-2026-000025557 · never reused
Internal UUID01a0ae71-5fa8-7d3e-af74-0060c88f6db4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025557
StatusPUBLIC

Content hashes

Canonical textd45aca6f8a1a651a01491319eac4277d27b2a1afc3b75d2e02a989cc82cbb693
Markdown5bcf5804c3c3a8b9248c0ac24488f9f2612eb69587f2ac13026ff824f22f4e5a
PDF
Publication page0515d54ab1752d3f2538fe00aca298b03c9cb07d6d7bdd876d969ddd862d4044
Manifestbac86f96668efcb8e6b37482acbfd35e0e735b58e905737493badd47074676a7

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
SignatureY+ZE1WZT5CawbT7Lj78ML72wqwVM/sihol2h9EP+1E6IKJUiCo5UTccninQuM9X5wKDvgPPSlFnt1d24r57fCg==
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

2026-09-17T11:47:42.561741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025557
observed 0515d54ab1752d3f2538fe00aca298b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.544366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025557/manifest.json
observed bac86f96668efcb8e6b37482acbfd35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.526738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025557/publication.md
observed 5bcf5804c3c3a8b9248c0ac24488f9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.509635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025557/publication.txt
observed d45aca6f8a1a651a01491319eac4277d...
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.