OpenTechnical

OT-2026-000068714

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-2026-000068714) never changes.

Identity and time

Publication numberOT-2026-000068714 · never reused
Internal UUID01a0ae90-2483-719c-a456-606e245fb304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068714
StatusPUBLIC

Content hashes

Canonical textddd2b62a449a1442dddad6034ed3303a6d5c9b11be8af796c179a37733f948ff
Markdown464b03b356415d64f545a0381e3dc4b8bd977d36dfe151a01db6ca3db9a35aa2
PDF
Publication pagecbd9e4d65e2082814dbc81c1e9a8a9ffb5c9e1037f49cb5827752483b3af9532
Manifesta329d763413d93b77111b961b4d7c16fd4d3ef4cd2b96521476aedb150a94f86

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
SignatureSyvkYdiHVc/wtqyPfXwB87bRRzELnf6z6aQBxq261tVkqi4qf4Wqo9QK/VAWkOA+4u5VkkTIJirCpG+iDOu2AQ==
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

2026-09-17T10:29:55.451878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068714
observed cbd9e4d65e2082814dbc81c1e9a8a9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.434041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068714/manifest.json
observed a329d763413d93b77111b961b4d7c16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.415568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068714/publication.md
observed 464b03b356415d64f545a0381e3dc4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.397684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068714/publication.txt
observed ddd2b62a449a1442dddad6034ed3303a...
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.