OpenTechnical

OT-2026-000028266

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000028266) never changes.

Identity and time

Publication numberOT-2026-000028266 · never reused
Internal UUID01a0ae72-e2f4-76c0-9279-4dfdb34895b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028266
StatusPUBLIC

Content hashes

Canonical text458b732f786bb16593f9a56782092bf62934571da2ab67116e0ce2dc60ea9daa
Markdown65799d87a5e940ef05f421189e6f9310bf5332b35f431219b3d532c6ab269f13
PDF
Publication pagedf267e85a734df2c07e7ec25d36beef171f7d576662ba4265f3f40f97f17b76b
Manifest0e4dba1d827c8d6b9a3474db5b0a3a2c904fcb7669fa81d1be53b7d694d2c3b9

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
SignatureCkN/YaXUTgBzU6tF7nPWAfjTAiqfRvDbIqmyNZvjsoMHqJS+5sG7qsXUCLlcBSTadRfoQX6bipRmiqvUIy5hAg==
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

2026-09-17T11:40:08.514947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028266
observed df267e85a734df2c07e7ec25d36beef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.497429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028266/manifest.json
observed 0e4dba1d827c8d6b9a3474db5b0a3a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.478512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028266/publication.md
observed 65799d87a5e940ef05f421189e6f9310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.459606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028266/publication.txt
observed 458b732f786bb16593f9a56782092bf6...
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.