OpenTechnical

OT-2026-000005745

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, two outlet manifold, three stage ejector, plastic cups

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-2026-000005745) never changes.

Identity and time

Publication numberOT-2026-000005745 · never reused
Internal UUID01a0a943-662f-7bbf-9251-43d6fdf53e3a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:21.714370Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005745
StatusPUBLIC

Content hashes

Canonical textf82c93cd53f57f1d2a2a02a9f45da9693aa5167736e84a19cdcd1349b08a9ce6
Markdownd932b8c561f68d0c72e1a9da0115f50902120086b11f7aff21af5dc187404ddb
PDF
Publication page54d5ebc7bb64a956befb9f156350d697958ecb58590359b5cef8735aafb48ef1
Manifest94170eddf08b7d73598f405cd2dcce6a1421c920909b75e859c0677c0ba10748

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
SignaturesrUboQaUt43Ej2LJorjue5/c+oNWlzeKbl62KgYOC0NUd3c18b8sDJxW/8j5vYtRbzXP6a0M1xgVYZwu4yGODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:04.719204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005745
observed 54d5ebc7bb64a956befb9f156350d697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.705894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005745/manifest.json
observed 94170eddf08b7d73598f405cd2dcce6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.692271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005745/publication.md
observed d932b8c561f68d0c72e1a9da0115f509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.676212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005745/publication.txt
observed f82c93cd53f57f1d2a2a02a9f45da969...
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.