OpenTechnical

OT-2026-000005253

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, contact triggered

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-2026-000005253) never changes.

Identity and time

Publication numberOT-2026-000005253 · never reused
Internal UUID01a0a932-e362-708f-bd6c-a47972f46a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:19.653575Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005253
StatusPUBLIC

Content hashes

Canonical text2f050f831983b0d1433f60abc04bca72753bd2d5fd8cbe6776e4673d34a16264
Markdownacaf561b7ac4f565c6f88277e12d565649ea832f4089efc443345a1d1433fe1b
PDF
Publication pagefe7808a8e56aa375a24b11c84c9bd6c5f78e9a439a0a71e651e105cae748d894
Manifest359460b616b564b615272a105726159b1595d9f7681e609a6a2acfc94f6ba9e0

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
SignatureiK/DViX7O+JTDT9F1TeQvLSRa7rl0WQSc0Qahk4kRUzEN7K6FTkA5eB8LGcwKeZt3VhvqHgAuGJwUlCIw5NTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:30.378493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005253
observed fe7808a8e56aa375a24b11c84c9bd6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.252481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005253/manifest.json
observed 359460b616b564b615272a105726159b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.240238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005253/publication.md
observed acaf561b7ac4f565c6f88277e12d5656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.226714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005253/publication.txt
observed 2f050f831983b0d1433f60abc04bca72...
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.