OpenTechnical

OT-2026-000062268

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000062268) never changes.

Identity and time

Publication numberOT-2026-000062268 · never reused
Internal UUID01a0ae8c-0abd-7eb3-ac9a-2a1d3190205d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062268
StatusPUBLIC

Content hashes

Canonical text0a537e83131e19da0a4e820ba51642df1b61b6c93c4bec803018bb529711206d
Markdown29ad5a1077114c3453446cfa31ba64c4a9f2c127c5c3bf9944847930a6de0a28
PDF
Publication page62a6faabd1320fe88bd81766519cb9057d1df0e65ddc49661f28d195001f5a7e
Manifest90cb4d6b4e31dd56477043fd18837e51b90aa55cb8f3115c749ccd051b337b78

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
Signature3xwGAd814Z8ykUZrWY8gy6iaFKXUa4QhjC6alD/w/SpP8oCpZdnyF6Tq/fqqSx7CGJ/SeXkAxUCIQNQhPfabAQ==
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

2026-09-17T10:39:32.993940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062268
observed 62a6faabd1320fe88bd81766519cb905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.975114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062268/manifest.json
observed 90cb4d6b4e31dd56477043fd18837e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.955437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062268/publication.md
observed 29ad5a1077114c3453446cfa31ba64c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.937729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062268/publication.txt
observed 0a537e83131e19da0a4e820ba51642df...
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.