OpenTechnical

OT-2026-000038991

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038991) never changes.

Identity and time

Publication numberOT-2026-000038991 · never reused
Internal UUID01a0ae78-76a0-7935-a3b3-23f85ae573ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038991
StatusPUBLIC

Content hashes

Canonical text4205da5df6b00f7d8da5f0b2cde9df2de5c00d9db349716c2ed281745c701c01
Markdown1560a9026607abe8ff067650a2c0b2271df925bed2402430452cacec44c1e113
PDF
Publication page5110dc457909d598bec3a028bafa8f082c3ca18d1b0b154c50b8723017153423
Manifest981b1d0bdb17b469d99e548daa12ecf63fe3ee67409ca7abc25bf99034e8fbe5

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
Signature649qoqzgH2pgs2XiUH3iJhYjHU0Mxk5rsmFc/S3zpNjHbTnNfdxS6eAlrus9Wh7Eo5jkBvBcf+vbYEBOPFJjBw==
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

2026-09-17T11:22:15.705475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038991
observed 5110dc457909d598bec3a028bafa8f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.686844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038991/manifest.json
observed 981b1d0bdb17b469d99e548daa12ecf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.668566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038991/publication.md
observed 1560a9026607abe8ff067650a2c0b227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.647748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038991/publication.txt
observed 4205da5df6b00f7d8da5f0b2cde9df2d...
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.