OpenTechnical

OT-2026-000068609

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000068609) never changes.

Identity and time

Publication numberOT-2026-000068609 · never reused
Internal UUID01a0ae90-2482-7d48-b478-144a074e173e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068609
StatusPUBLIC

Content hashes

Canonical text26b464aa23d9493afed072cd29a5f862c5169742f4d0b44a782bb22cacb5ade5
Markdownecf19048848d0f08f7e25469cc09e7596192b1d9ce0e70c7ba73a87c467c0a5c
PDF
Publication page555c9d6b1a39db0ee8f6f115162a69eeaa57d6baf9c672a42e67f1e0132e5a3e
Manifest72c6b9315a5ef76b6e330eaf4488a2a25f8bf4f41b697c9398fe0f5e0599cc04

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
Signature/U00KhaGaTkUGNmqQwYIbCjFCWYCS6HGtZiDpg3A1w0PdjpSlFP08D7fmQbrE624sAqSbNNMSPwLDRbM0fH3Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:47.499600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068609
observed 555c9d6b1a39db0ee8f6f115162a69ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.481582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068609/manifest.json
observed 72c6b9315a5ef76b6e330eaf4488a2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.462498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068609/publication.md
observed ecf19048848d0f08f7e25469cc09e759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:47.446106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068609/publication.txt
observed 26b464aa23d9493afed072cd29a5f862...
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.