OpenTechnical

OT-2026-000031135

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000031135) never changes.

Identity and time

Publication numberOT-2026-000031135 · never reused
Internal UUID01a0ae74-87aa-7246-9aa5-b8b22974e649 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031135
StatusPUBLIC

Content hashes

Canonical text32afafa74815f15d4e3eb0aae1ccdce5cd274fbcd27cc4f43472e7ab043774bd
Markdown74dfd623aca4b05b2be2b5a3606ea48bd08758604cb5e4e63cc5cb08d6af2c3f
PDF
Publication pagee9961f31c4bf512307c438d9604ce705c09f18874b7b3a1f48b6b246c997fbff
Manifest29f889891f13ffd3e0f962c9cf7f5987cc17aed5ab6fee7d0d7f9fda6d000d69

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
SignatureW5LXMi1tU3tzwDC6dzfDRsfHF4h0M1cQc57Y+wcBKw4FLlJshXOEW12zhlFEbLS+ABv6jBgskqRFA9eU/hxBAQ==
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

2026-09-17T11:35:34.564088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031135
observed e9961f31c4bf512307c438d9604ce705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.546493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031135/manifest.json
observed 29f889891f13ffd3e0f962c9cf7f5987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.527826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031135/publication.md
observed 74dfd623aca4b05b2be2b5a3606ea48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.511502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031135/publication.txt
observed 32afafa74815f15d4e3eb0aae1ccdce5...
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.