OpenTechnical

OT-2026-000058309

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000058309) never changes.

Identity and time

Publication numberOT-2026-000058309 · never reused
Internal UUID01a0ae88-f398-7cdd-bd69-98822ce87b6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058309
StatusPUBLIC

Content hashes

Canonical text8412f1251589f4c181c0874000772db0037a97fb2b501425853dc19a786f454b
Markdown5a55db4ebc724e46f935e2892f20b392d1646f2cf12b5cd96a2e650029a8b7e1
PDF
Publication pageb4ef2fc5978bf8d0d1d6bfeab6345f456a7cba0ece8280f73012387c3136cec7
Manifest0b7e95d1c8f164fd9c2f336520c87f76f07666f8c73964173f15c30cd34b59fa

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
Signaturecs7DBi5cip96Od4ZKHnbHAQNvqcp+YRb/JZ3GKbsDL280K0RO4ctke6EcFfpkUnR4ZqQXlMhZh7guxMMdF3SDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:42.634041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058309
observed b4ef2fc5978bf8d0d1d6bfeab6345f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.618471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058309/manifest.json
observed 0b7e95d1c8f164fd9c2f336520c87f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.602415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058309/publication.md
observed 5a55db4ebc724e46f935e2892f20b392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.585318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058309/publication.txt
observed 8412f1251589f4c181c0874000772db0...
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.