OpenTechnical

OT-2026-000019648

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000019648) never changes.

Identity and time

Publication numberOT-2026-000019648 · never reused
Internal UUID01a0ae6f-1fb3-7b8a-9be0-6c7aceaccae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019648
StatusPUBLIC

Content hashes

Canonical text9fc5bef3a2e808690afdc232d2b2fb6faf7b53af13dd089c16a0fb9eeabc2fc6
Markdown6feb7413790cec82fcce29bd8295b045671d6b2887ea701855bb0384b19e335a
PDF
Publication page27a338b04588967d4fca82d86e321ef73ec99d85b012b5b3059e31229d3d4971
Manifest5f9dbeccfcaed4847f17dc05b236a46fb31c8e4ac39c164eac4742902b4dac61

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
SignaturezX+KtGnuL07/+9e5o7eRc3rpXWEXx+NlEKuQWwlTbsTrchVeiKa2qYq/z0+CxtSrx/6PsZ2eSqS6ytaQEiYLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:57:42.617790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019648
observed 27a338b04588967d4fca82d86e321ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.601617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019648/manifest.json
observed 5f9dbeccfcaed4847f17dc05b236a46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.584505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019648/publication.md
observed 6feb7413790cec82fcce29bd8295b045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.567120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019648/publication.txt
observed 9fc5bef3a2e808690afdc232d2b2fb6f...
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.