OpenTechnical

OT-2026-000089188

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000089188) never changes.

Identity and time

Publication numberOT-2026-000089188 · never reused
Internal UUID01a0ae9b-db00-7583-b2bc-215da786c7e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089188
StatusPUBLIC

Content hashes

Canonical textd2c695e3e209d1e8fb456a6e9086739bffc29bca0b834c1922475945bfa8325c
Markdown26af2504b63fc27024a7ae436346b6d558bfec116644f28340491f3f7e1a4666
PDF
Publication pagee6dc6c2453f53838881e84156791669d1249c05f94360ab866fa6ae773a3ff04
Manifest279b87b6745f9840474e675a74036c207de2f002a95428491632431a2689dfa9

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
Signature2kIbNeYjbaOX52AmhuMGindEcw5rMNDnvdQDJ97ihSuG+WsmPVt6FarqoUh7/cf8B/245FGVYOLEzMBcn/TmCQ==
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

2026-09-17T09:47:12.219292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089188
observed e6dc6c2453f53838881e84156791669d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.200977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089188/manifest.json
observed 279b87b6745f9840474e675a74036c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.183915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089188/publication.md
observed 26af2504b63fc27024a7ae436346b6d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.167118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089188/publication.txt
observed d2c695e3e209d1e8fb456a6e9086739b...
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.