OpenTechnical

OT-2026-000079772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000079772) never changes.

Identity and time

Publication numberOT-2026-000079772 · never reused
Internal UUID01a0ae96-4375-713b-a111-c15c3ca81184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079772
StatusPUBLIC

Content hashes

Canonical textec4f0d50fe682918fa66712a9aa5011ca0be893d0d9a99b752a763a6e6cbc389
Markdown2d2bd7c9dca872ce450a691b628722a4ad96b791c696d08c89adeb5a75b0cb47
PDF
Publication page66cb4907fe25e3df4ccf8446c528f9d24234364d889eb8da81beed550197b742
Manifest93262900f5d87be6b51d9f1ead8edf168711c16c5660901b6d16b78cbf869e24

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
Signature1Ea5e4t5et64YgsCl2Q3NpaOLWruEKZx2U8rbq3W/iqUqcWN0YD2aev5DAHLWEiXeNIpfVcGz+i+cfwmqKvFDw==
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

2026-09-17T10:03:38.714105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079772
observed 66cb4907fe25e3df4ccf8446c528f9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.693845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079772/manifest.json
observed 93262900f5d87be6b51d9f1ead8edf16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.674157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079772/publication.md
observed 2d2bd7c9dca872ce450a691b628722a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.654522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079772/publication.txt
observed ec4f0d50fe682918fa66712a9aa5011c...
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.