OpenTechnical

OT-2026-000006051

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone, contact triggered, silicone 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-2026-000006051) never changes.

Identity and time

Publication numberOT-2026-000006051 · never reused
Internal UUID01a0a94d-acf5-7421-a17c-0fb5a773724b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:35.193131Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006051
StatusPUBLIC

Content hashes

Canonical textc58c0d18a50854e9872f6bf8d56ea031aa23a9496d75c817437f3525bb060fdc
Markdown9bf6726c590dc6888afdb7909ec8f3320fedb7395c4904d06c2f512de57c433c
PDF
Publication pagec1767c2f97156007b71caad5b134bcb29716440855c5a91c5dba099cc2190530
Manifest775d5b62d89cadbb215d285f0892d4f4697f30854537813cfac2f4fab60e9c9a

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
SignatureOpdQ6IVj8EDNEE/EiPp6B6Hi4u9jbSBsdUORJB1dBp2xONq7w2g/2PTDpy7mzEzoxbcctVzlld5WG7eBRYZTCQ==
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

2026-09-16T08:30:33.180703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006051
observed c1767c2f97156007b71caad5b134bcb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.168119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006051/manifest.json
observed 775d5b62d89cadbb215d285f0892d4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.155405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006051/publication.md
observed 9bf6726c590dc6888afdb7909ec8f332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.141363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006051/publication.txt
observed c58c0d18a50854e9872f6bf8d56ea031...
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.