OpenTechnical

OT-2026-000049847

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049847) never changes.

Identity and time

Publication numberOT-2026-000049847 · never reused
Internal UUID01a0ae81-8ff0-7858-bd0c-e24d1779ca1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049847
StatusPUBLIC

Content hashes

Canonical text4901b47a2304e59098387fb95de11d6b15895a2c99aec139ef00c10710f8dc89
Markdown0e78814094acda6e8f5344721c047242973875de0b7a92b5b67d34c4f1c3ae30
PDF
Publication page3b7aae9c53c1630aef0a53265f6e23cbd8aae69945af7e936fd8dd7dd035f7a1
Manifest69791e717ce51a1b72d55850b63e2679ee448df5c6a5348fe28bb36889dc22ab

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
SignatureH//QEO3G62E4gERwT0L8sSSRnHbv5sX8N4vda2MJGEJJsijKhpv3V9be/xJpqKGjlYHwp4lG0j+HlW5+G+tKBA==
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

2026-09-17T11:02:59.317795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049847
observed 3b7aae9c53c1630aef0a53265f6e23cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.301369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049847/manifest.json
observed 69791e717ce51a1b72d55850b63e2679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.284667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049847/publication.md
observed 0e78814094acda6e8f5344721c047242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.265707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049847/publication.txt
observed 4901b47a2304e59098387fb95de11d6b...
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.