OpenTechnical

OT-2026-000023885

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000023885) never changes.

Identity and time

Publication numberOT-2026-000023885 · never reused
Internal UUID01a0ae70-aed6-7f19-9065-0b5ad7895703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023885
StatusPUBLIC

Content hashes

Canonical textd1721f21d338174cc42c8e9368dbbe213ba640a4fa9fc6d68061a168cf66ff22
Markdown1a09aeb00fc85728346ebfbb6e162afa6ca2454c5da98a1b111117ae50bb1945
PDF
Publication page9939230042913d26446f50e3f2b93f047afa6adefce8a29a2fa9b18fe9858cdd
Manifest55bf231928ce980ae3e37fb4014739d9d1b162a39d2b80cc58ccbe937cd156f3

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
SignaturejvVbcd9oK5xFOxb1O62prA/idazKAPF0Y7XZHIH5q3jmS29rzK6nAiV8bbtYMVl7cLYgxR7avYaIXZwC51lxCg==
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

2026-09-17T11:50:29.730521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023885
observed 9939230042913d26446f50e3f2b93f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.713448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023885/manifest.json
observed 55bf231928ce980ae3e37fb4014739d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.695079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023885/publication.md
observed 1a09aeb00fc85728346ebfbb6e162afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.671000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023885/publication.txt
observed d1721f21d338174cc42c8e9368dbbe21...
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.