OpenTechnical

OT-2026-000081339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained blow-off before 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-2026-000081339) never changes.

Identity and time

Publication numberOT-2026-000081339 · never reused
Internal UUID01a0ae96-f374-78ea-a35b-9c1425e1d22b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081339
StatusPUBLIC

Content hashes

Canonical textacf2ee9b787a8381a9d12d3465bae09a18985a5d665379c7b50202b84a8d74d7
Markdown15b1d229358c7e97a73d2b1568e2ae0c641b78cb4fecd7b0752129a143e1ce3c
PDF
Publication page6853869b68de467af5a1012e332a189f243125a1207ca95eb2d7d79ed9f6ed6b
Manifest450a64ca7ea48601c11d28c0ba2cdc2f8ff3401cb11a8469383cb4f44099a0ec

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
SignaturebkMk1jiWQ5ywpIppK5rJvPhGfJSuda2gBuEJQTAA1V0f0lTAb0lkZRUiOSOtK1MSM9mImiIXGS5iqqDEq+xGCA==
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

2026-09-17T10:01:27.832745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081339
observed 6853869b68de467af5a1012e332a189f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.814814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081339/manifest.json
observed 450a64ca7ea48601c11d28c0ba2cdc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.793386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081339/publication.md
observed 15b1d229358c7e97a73d2b1568e2ae0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.774478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081339/publication.txt
observed acf2ee9b787a8381a9d12d3465bae09a...
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.