OpenTechnical

OT-2026-000029030

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000029030) never changes.

Identity and time

Publication numberOT-2026-000029030 · never reused
Internal UUID01a0ae73-2a9e-75a5-8af9-4efe03df8253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029030
StatusPUBLIC

Content hashes

Canonical text34d82363ba6cd9cd3d7d569546b69a0bc85f8d15d556f58a75a71f06eab10932
Markdown09afdd2f8374a19ee09086f39c09f814c9a49f1d09ff61f8e56c82bd08e16cf4
PDF
Publication page94bd5dc333d53c0eb203b96feb50d01cfe6976165e4c31dc7c426b00d332cbd9
Manifest00e6ffc03ddac8190504b1771c13341f574b74a3ee96afcc3f44c0fd27c846e2

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
SignatureIk62f2Cs35DF+r6yAMIwrQptdzjLdHb2AmLi7AerYtFpxtRZKp+W6MxNuXC8HrW+s0QISq1EpEkpDupKTBLGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:38.036453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029030
observed 94bd5dc333d53c0eb203b96feb50d01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.019913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029030/manifest.json
observed 00e6ffc03ddac8190504b1771c13341f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.003638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029030/publication.md
observed 09afdd2f8374a19ee09086f39c09f814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.985817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029030/publication.txt
observed 34d82363ba6cd9cd3d7d569546b69a0b...
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.