OpenTechnical

OT-2026-000047304

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000047304) never changes.

Identity and time

Publication numberOT-2026-000047304 · never reused
Internal UUID01a0ae7f-3e56-7230-b4ae-7ee1a8749c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047304
StatusPUBLIC

Content hashes

Canonical text283fde4211ffc13ef6e1bf07f8ff4cdf3f8784bb75a5003ab37d8f7b0466c9de
Markdown99e02f030bc2324b8a8550597d4922608f342d8dca59a68470ef3841c5a2cb8b
PDF
Publication page05d8232a5d6fdb793b2caff4f38f4fbc9a59460fdac4bb12048fd565c2c239a3
Manifest2acdbea92a5d0638fc500b9ba8c3fe2a4e8580cab022b315d1404bbda660c867

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
Signatures9aEwa4ZhJPhlwWF15/iZ8WCgKMmWfboOpEhVxkHZ49jkFGTW3EDo9P7eyi/Ifth27ncQf96TZvmq7aC35EkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:17.091683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047304
observed 05d8232a5d6fdb793b2caff4f38f4fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.073019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047304/manifest.json
observed 2acdbea92a5d0638fc500b9ba8c3fe2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.055490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047304/publication.md
observed 99e02f030bc2324b8a8550597d492260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.035773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047304/publication.txt
observed 283fde4211ffc13ef6e1bf07f8ff4cdf...
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.