OpenTechnical

OT-2026-000068181

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000068181) never changes.

Identity and time

Publication numberOT-2026-000068181 · never reused
Internal UUID01a0ae8f-c4ff-74da-b8c2-5ecc778a2a62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068181
StatusPUBLIC

Content hashes

Canonical textbe74742495db3570cf7b2d411f88c19c4d8305ffe3d39d00fc9d59a7b2fec084
Markdown89dd042dd182dbf03332ad8ea109ec5abbd46a3e858e1c92cda5f5ae31167919
PDF
Publication pagef3152eddbf48cfe06540dc568badc65167a13dae9f9200e65129a48148e317cc
Manifestab25783099ba72f2eb56e8062cf3970ae43e52b2d1706a94b37ed33617c24070

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
Signature6tC7Leu2FpgE5iQlVbI8dlxCOVHPrU/zggcQvHuebxOWSc8/xZR7j0CNr/GNIIFNKy250Zhhr9279s66Y067DQ==
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

2026-09-17T10:30:50.351996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068181
observed f3152eddbf48cfe06540dc568badc651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.335003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068181/manifest.json
observed ab25783099ba72f2eb56e8062cf3970a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.314879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068181/publication.md
observed 89dd042dd182dbf03332ad8ea109ec5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.296746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068181/publication.txt
observed be74742495db3570cf7b2d411f88c19c...
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.