OpenTechnical

OT-2026-000042003

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000042003) never changes.

Identity and time

Publication numberOT-2026-000042003 · never reused
Internal UUID01a0ae7a-5d6f-7c06-875f-8c2f8c27300b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042003
StatusPUBLIC

Content hashes

Canonical textdb6e6046f6c2e552dbd89038dda66f531dd15a26e46344ff8d98d3b1b755c28f
Markdown4aaff8cefc3ab36c47cf506428d7e1f5076a686a0cd26c728d56f4c9cc8a1ba3
PDF
Publication page02a61b90b065856d8a4e4c76618fd66235d52a7a5e01e2ea431e579acf002333
Manifestde5cd03ebafe3cd39659eb722d4e9383f210fc5f52d15fb8696fecfc9faf8c7e

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
SignaturenocWNzdhPacf2TcFLKfyHKNl30umsStkcfm+DNHSzv1/5nZ2xJxPmm/pLmQpjGJYP63uS8n2RTMkBK7UlZwZBQ==
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

2026-09-17T11:15:30.148735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042003
observed 02a61b90b065856d8a4e4c76618fd662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.131231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042003/manifest.json
observed de5cd03ebafe3cd39659eb722d4e9383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.113771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042003/publication.md
observed 4aaff8cefc3ab36c47cf506428d7e1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.095879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042003/publication.txt
observed db6e6046f6c2e552dbd89038dda66f53...
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.