OpenTechnical

OT-2026-000027918

Publication integrity record

Two pad foam 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-2026-000027918) never changes.

Identity and time

Publication numberOT-2026-000027918 · never reused
Internal UUID01a0ae72-a4a5-71c3-acce-72a0567ebff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027918
StatusPUBLIC

Content hashes

Canonical text16ad09a7938f58c36e06a14cb17eca91e49b67af268d7bfe37cced133f483485
Markdownec37eda9304f2416fe092246859e05eec5e52b3c3a94859a612b3551fdd3f0f1
PDF
Publication pageceae1c96135b9802d4ec1868b3c1bb82cf22f29acd894875317ae39057db3985
Manifest006dfc21706eb6ee3d3a1ae38ce30b03692e76fee4ed6459052676d40251d1bd

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
SignatureT3L+nq+okWsNRGcUgMl6as0we/Oue3ZBXJtVgSyOQzSoUGi2CFonUsU9p3HmR1H6AjVU2hEmYHTo/vYBanKHCg==
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

2026-09-17T11:42:05.625049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027918
observed ceae1c96135b9802d4ec1868b3c1bb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.607371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027918/manifest.json
observed 006dfc21706eb6ee3d3a1ae38ce30b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.588796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027918/publication.md
observed ec37eda9304f2416fe092246859e05ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.569468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027918/publication.txt
observed 16ad09a7938f58c36e06a14cb17eca91...
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.