OpenTechnical

OT-2026-000023259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023259) never changes.

Identity and time

Publication numberOT-2026-000023259 · never reused
Internal UUID01a0ae70-7267-7ca8-b45a-d38d74caf4dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023259
StatusPUBLIC

Content hashes

Canonical text3270a0a88bb72ac362ed37d415024c32e6809fd432cb60b1f32bc9a86cac1052
Markdown07d06b1987be04e41b59af2a4f6afd8a6c605716fa047365dcde1d8df0f66293
PDF
Publication pageb723c00f292fc5284cd7aaec90ad301964cd63c89216cee3e9b796feceac3a69
Manifest00c0c01422714aaaa979aaff268b685509d01d9e1ebcae61ebce52ffae1aad8d

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
SignatureP53pB1FuCqEXSp6F0F8mn9pid4huF6HA4oYv71VCSfBcmzCCvornSTgGsDvzCUKdxsKCETdT7KmU5A2iZEf7DQ==
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

2026-09-17T11:51:19.713625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023259
observed b723c00f292fc5284cd7aaec90ad3019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.696574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023259/manifest.json
observed 00c0c01422714aaaa979aaff268b6855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.679371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023259/publication.md
observed 07d06b1987be04e41b59af2a4f6afd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.661382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023259/publication.txt
observed 3270a0a88bb72ac362ed37d415024c32...
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.