OpenTechnical

OT-2026-000066188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000066188) never changes.

Identity and time

Publication numberOT-2026-000066188 · never reused
Internal UUID01a0ae8e-8dc3-7b64-9439-948b4874ff35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066188
StatusPUBLIC

Content hashes

Canonical text1a07485b0c2ef78770695b5d9438986b99b81ce463e1cdff014b11aba7c574ad
Markdown58a620359f98221fd3c0bff9ce4c1e6c99d6f4b9f6d756fce128a20a5f271b94
PDF
Publication pagec01e9c10b58b987797e321959e79e1796cc0a0cac477ad55cc8275a7fce508bf
Manifestebdd45aa95bc799d8ef53369a86b7ba5d4208f25ed84f5f5f49755fa875fcf37

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
SignatureLNoPMJk1eZUZ5N5pWkAbfEeg1OJ2J/Hep4dXtKdwnSIse7IdUhubzuBO7eFA10ZEKrR2iN8Jd1HkummoxrHCBw==
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

2026-09-17T10:33:20.206383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066188
observed c01e9c10b58b987797e321959e79e179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.188198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066188/manifest.json
observed ebdd45aa95bc799d8ef53369a86b7ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.170708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066188/publication.md
observed 58a620359f98221fd3c0bff9ce4c1e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.153867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066188/publication.txt
observed 1a07485b0c2ef78770695b5d9438986b...
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.