OpenTechnical

OT-2026-000079616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000079616) never changes.

Identity and time

Publication numberOT-2026-000079616 · never reused
Internal UUID01a0ae96-0b92-75cd-829f-8138889f101a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079616
StatusPUBLIC

Content hashes

Canonical textf8d316adcbb8551df334d4cb222688cc03aa1fba6cdb08a5d5e189f908d04946
Markdown8740f6bd9cae34162ce63b8031092dd608496931f86e9647a8536ba8fa7e567f
PDF
Publication page4006c1b81c944531a87e659086b21b6b72f60a8ca5392cc3353a266f9e69faad
Manifest08e54abeb199912856ea92eb34b81902465845c517d9cab8452ff0d8c0094bbb

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
SignatureT9nEzI7eH6B37dl82IoU8ldZQTIiAKxfwpwKYcQSXp1uCZflD9e6iCwek4x8lwrrunjn3u3v/iSDgoNno0Q8Aw==
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

2026-09-17T10:05:16.674022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079616
observed 4006c1b81c944531a87e659086b21b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.656934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079616/manifest.json
observed 08e54abeb199912856ea92eb34b81902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.638843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079616/publication.md
observed 8740f6bd9cae34162ce63b8031092dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.618147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079616/publication.txt
observed f8d316adcbb8551df334d4cb222688cc...
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.