OpenTechnical

OT-2026-000026778

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026778) never changes.

Identity and time

Publication numberOT-2026-000026778 · never reused
Internal UUID01a0ae72-3451-7598-aeff-791d6a6ec69a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026778
StatusPUBLIC

Content hashes

Canonical textda6670ada40ef6b09a8e976bd1972a30ef00fb39e1109462c459288683b55a99
Markdown30c64e6e43b2709b98b4cf28ac491cb212f8364fbe7cbce87eab938c07920f13
PDF
Publication page2c92caf1e923d92e386f2b43de8eb2f570cc50b9d99239bdc463156c208305fa
Manifest568cc73ce5f52e99502b6aa0bf9900ab99593a17df2d320f8ba8bf632b869747

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
SignatureU+A2UgoHvsUe02ShfEUQJu1xvKKPJrSQPk4GJ/Ii2zb6eBn0TViqKwf1RwkgGwkuQ4jgrzPEghK55eWwouwhAA==
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

2026-09-17T11:43:21.067932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026778
observed 2c92caf1e923d92e386f2b43de8eb2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.051066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026778/manifest.json
observed 568cc73ce5f52e99502b6aa0bf9900ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.033695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026778/publication.md
observed 30c64e6e43b2709b98b4cf28ac491cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.016511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026778/publication.txt
observed da6670ada40ef6b09a8e976bd1972a30...
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.