OpenTechnical

OT-2026-000071104

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented before 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-2026-000071104) never changes.

Identity and time

Publication numberOT-2026-000071104 · never reused
Internal UUID01a0ae91-8c2f-75b4-ab41-2bc25fa4ab01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071104
StatusPUBLIC

Content hashes

Canonical text6e773ed7f70fff4470f1701637fa9532f0b33afb2794f417da11e4ccfd80f171
Markdown98f550a0fb6d7ae49dbae13aa82c6ed87a6643c1c67fd7e7ddef1fb677f3d434
PDF
Publication paged52e12423bc310d88a510cb1d69907d8352e873b5c4db8f24cf64173faca656d
Manifest90ff58d936028402c19804e020ddfc1ea84aa51aa2ec0c93d0a124556afd9c2f

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
Signature5JxDi/qLW8NFkHie8NIIqehQt4No+kT1Y1aLiM+emKQ1HUa+m7uhose2fEs1E4RBcxo9+qlbn/SJwIpNgjjQBg==
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

2026-09-17T10:25:58.187024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071104
observed d52e12423bc310d88a510cb1d69907d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.171766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071104/manifest.json
observed 90ff58d936028402c19804e020ddfc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.154288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071104/publication.md
observed 98f550a0fb6d7ae49dbae13aa82c6ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.137839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071104/publication.txt
observed 6e773ed7f70fff4470f1701637fa9532...
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.