OpenTechnical

OT-2026-000062118

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000062118) never changes.

Identity and time

Publication numberOT-2026-000062118 · never reused
Internal UUID01a0ae8b-b8b0-734a-8294-8b06d1351fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062118
StatusPUBLIC

Content hashes

Canonical text99b3de1f01902c118c8a855134de650b66db276227b91da3f65b3cb447987d4e
Markdown3b5bf08ce16646c957c52f24677dfe17c6a208b41ed868c41bc305abb428e54d
PDF
Publication page57742163b00d481d6a5e71b6a59a284891ac34f55923c733a194ac343b8564b8
Manifestffe1c705e5b3178ee4aaf3ea95af9bf879bceddc3a233cf77b5484652136b462

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
SignaturepdgEy20n23599rYaok7GeA8faTa/RAthO2+LcnJ0bSrFaQxp4tfjlwSrUqnwSHtj0Y9xEWaJ+eVE22Vgz39XBA==
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

2026-09-17T10:41:10.792564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062118
observed 57742163b00d481d6a5e71b6a59a2848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.774197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062118/manifest.json
observed ffe1c705e5b3178ee4aaf3ea95af9bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.755610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062118/publication.md
observed 3b5bf08ce16646c957c52f24677dfe17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.736252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062118/publication.txt
observed 99b3de1f01902c118c8a855134de650b...
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.