OpenTechnical

OT-2026-000079828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000079828) never changes.

Identity and time

Publication numberOT-2026-000079828 · never reused
Internal UUID01a0ae96-4376-7ee2-a6f6-8d50b6419795 · 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-2026-000079828
StatusPUBLIC

Content hashes

Canonical text43804850400f5478034bfdbd6e146fb0461dda6887cd3f857ae8c68868ec1fa8
Markdown2eee3614b8c71d93bf261e9cc479f596b23805d4a11d818625c35f546ad43330
PDF
Publication page1e255e99e89f00bb2eb775d7e5cc9e0959219e5ccb9d4538941a254da538fc7b
Manifest9671f7ab0e9df9de4863962fc2de48765141da704f3f00cce7593b969438176a

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
SignaturejfCRZY5DlMX9kFZTe2C9xrbYH5BexnoyJiXAlZaKukxX6pnKLrcRRXnXfhUrqexBP36maxO6sHilEVDv3cDhBw==
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

2026-09-17T10:03:42.625556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079828
observed 1e255e99e89f00bb2eb775d7e5cc9e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.607833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079828/manifest.json
observed 9671f7ab0e9df9de4863962fc2de4876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.590317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079828/publication.md
observed 2eee3614b8c71d93bf261e9cc479f596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.570016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079828/publication.txt
observed 43804850400f5478034bfdbd6e146fb0...
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.