OpenTechnical

OT-2026-000089212

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000089212) never changes.

Identity and time

Publication numberOT-2026-000089212 · never reused
Internal UUID01a0ae9b-db00-7df3-a902-43f02f25af43 · 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-2026-000089212
StatusPUBLIC

Content hashes

Canonical textc16ffd6d327c1f5ecdc7d77277cdfdc093a96aafd5a97c02a2ff46e3f2dbe958
Markdown8a68db8c95d6d76ef09bbaef3bcaf8a2377737fded41c6a433ce0c17f5c38c49
PDF
Publication pageab534aa8dd7230c9e80ccbeac4c89009921915663445f2abe1719a892e3cda35
Manifestc3099fa372e8cc99b44aaaafbb873f58e08f4693454988d9d8e955c813637b79

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
SignaturetJvkoaoX0YRu+/5uB6wV3zxyt8VDwdxuiZHJlJ/JYXOQteLqwjnzcqmITYlwBLN0ErzYZmqfEvg47V6PEHgfCQ==
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

2026-09-17T09:47:14.037284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089212
observed ab534aa8dd7230c9e80ccbeac4c89009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.020126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089212/manifest.json
observed c3099fa372e8cc99b44aaaafbb873f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.001997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089212/publication.md
observed 8a68db8c95d6d76ef09bbaef3bcaf8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.985182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089212/publication.txt
observed c16ffd6d327c1f5ecdc7d77277cdfdc0...
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.