OpenTechnical

OT-2026-000089278

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000089278) never changes.

Identity and time

Publication numberOT-2026-000089278 · never reused
Internal UUID01a0ae9b-db01-719f-8b31-3dba39bd922d · 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-2026-000089278
StatusPUBLIC

Content hashes

Canonical text7b36545e84a8a93653333f453d576e36657592a3de178044f150a5b1344b9e63
Markdownb712520c33fc6cfef37ad06c38f78e6c9239c46ad691463144c6cf69f503f2a6
PDF
Publication page8e923a3a115e914657293f0ef08fc3323ea8bf1d9559a228502c95d75118a4e3
Manifest4d46972f5dfa7f257c71cf0e44c4f74a6f21dc1c4393db6ec427899270663184

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
SignatureoT4yaND6ZkJHO57Ru9bPvlY6wB/NXHpiLCel0/cfvHpAcluCRxtJ8SiuqDMkIEP4EOZjwWFF9T6ks6zSuSS3BQ==
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

2026-09-17T09:47:19.315010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089278
observed 8e923a3a115e914657293f0ef08fc332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.297763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089278/manifest.json
observed 4d46972f5dfa7f257c71cf0e44c4f74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.280438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089278/publication.md
observed b712520c33fc6cfef37ad06c38f78e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.262147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089278/publication.txt
observed 7b36545e84a8a93653333f453d576e36...
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.