OpenTechnical

OT-2026-000046751

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000046751) never changes.

Identity and time

Publication numberOT-2026-000046751 · never reused
Internal UUID01a0ae7e-d0f3-79c1-b540-676b86cc154a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046751
StatusPUBLIC

Content hashes

Canonical textdbe736995cfec8247703c3e47e2a0f0f0cea9e728272820a9bba8814602860fc
Markdownc20fe3bd41d9487cc32531e276bffe522c135e1dd7d402dff963c442d7fff671
PDF
Publication page46b45545151df95fd9056cdb7bc381884eb1fa1acd2ac5d803e3ef78393a22e6
Manifest45f63a0b7c6d99c669dbb1e0afd61a219af2c332208f977e68bd87f64c319430

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
SignaturekZF7MscX/Eib332OWVffDVXiLSxizXW2TKHJBOe0ydjO435kycWqAsecXh/AUtRXkNOQcXxojIR8KRo1oWSnBA==
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

2026-09-17T11:06:48.980010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046751
observed 46b45545151df95fd9056cdb7bc38188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.961195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046751/manifest.json
observed 45f63a0b7c6d99c669dbb1e0afd61a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.941282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046751/publication.md
observed c20fe3bd41d9487cc32531e276bffe52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.921158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046751/publication.txt
observed dbe736995cfec8247703c3e47e2a0f0f...
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.