OpenTechnical

OT-2026-000036515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000036515) never changes.

Identity and time

Publication numberOT-2026-000036515 · never reused
Internal UUID01a0ae77-46e6-701e-95c5-d45e3d9d6afd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036515
StatusPUBLIC

Content hashes

Canonical text84f5d98e227ff91eec0ee3b624a42d3c91fe78ea49b10b46144af8997c3de3bd
Markdownef436311eda8297c5bdc75ef97e156bda32905fbe0d14284e4b4f393a5b62a28
PDF
Publication page3f8ce8310046e3ffd0c15b58cac4494c2848421736bd620f30a51c1599434679
Manifest3fceb527a825ebf10ae6157688b1c826a687af001fda024e7c821e631169ab10

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
SignaturePxhd8YqyR6W0J/9Mi1D1Bd3uajFFjwfWcF4z7eg+DoqW+PK1rjchCSdFH7TKyofv0FOkXbwz8lv4aZ0w7xLECQ==
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

2026-09-17T11:25:43.291251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036515
observed 3f8ce8310046e3ffd0c15b58cac4494c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.275347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036515/manifest.json
observed 3fceb527a825ebf10ae6157688b1c826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.257087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036515/publication.md
observed ef436311eda8297c5bdc75ef97e156bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:43.240140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036515/publication.txt
observed 84f5d98e227ff91eec0ee3b624a42d3c...
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.