OpenTechnical

OT-2026-000029359

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000029359) never changes.

Identity and time

Publication numberOT-2026-000029359 · never reused
Internal UUID01a0ae73-5e20-7d9b-82f0-de7525d92541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029359
StatusPUBLIC

Content hashes

Canonical textbd0288747e5d85cae9ab63bcc61015639e2c83dc85f7843e5c7ad1a32d7be9ed
Markdown90c0a1cf4ef9352faa6faea56e505f25166c20ba98ed90910beb1adc055af230
PDF
Publication pageba51dee6c0f9f60b96a442dea97fc166035a628d777f95e4831646e8032c5774
Manifest1894f93db9e4aee9565d5c338bd7d98cd165ab880f0c0b5558a4bf5b6518e051

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
SignatureA/OonzorDEptfWoJR+tA4XsxkQoUZNSGuVLCDP60RRUGqII3qL7tt3tABmOi/5MkdyLugjJAr5/ghhMHa7qFCw==
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

2026-09-17T11:38:55.050647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029359
observed ba51dee6c0f9f60b96a442dea97fc166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.032739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029359/manifest.json
observed 1894f93db9e4aee9565d5c338bd7d98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.013230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029359/publication.md
observed 90c0a1cf4ef9352faa6faea56e505f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.994452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029359/publication.txt
observed bd0288747e5d85cae9ab63bcc6101563...
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.