OpenTechnical

OT-2026-000081508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000081508) never changes.

Identity and time

Publication numberOT-2026-000081508 · never reused
Internal UUID01a0ae97-0f70-7503-a16b-030f63374030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081508
StatusPUBLIC

Content hashes

Canonical text3a3823494c37ed12b342a5c8663532d0fd13974f622b914d368448c66411f226
Markdown3f396dee106ad1eacf053f0f1d295e71b70a49279fb6a92f4c32595460d27922
PDF
Publication pageae6add697df92a5e8a92d7eaffd3dd08d7ecf2fede27fb01fcd9f6dba7500521
Manifestc3d6ff434268814667a15f5ac3b6f414a1ac317c779d04844ec4cd461297a1a0

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
SignatureFwrQP+f9YMyFp40AAaLAJsVAnL2ZlwGAt1MLrG/GJV3wEG2RvCO5iLAAfrm5wfc1PuNq9LrTPuN1ia5sFwzvAA==
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

2026-09-17T09:59:31.380990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081508
observed ae6add697df92a5e8a92d7eaffd3dd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.365577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081508/manifest.json
observed c3d6ff434268814667a15f5ac3b6f414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.348351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081508/publication.md
observed 3f396dee106ad1eacf053f0f1d295e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.331667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081508/publication.txt
observed 3a3823494c37ed12b342a5c8663532d0...
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.