OpenTechnical

OT-2026-000034261

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034261) never changes.

Identity and time

Publication numberOT-2026-000034261 · never reused
Internal UUID01a0ae75-df0d-7063-af8e-47bacfce7698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034261
StatusPUBLIC

Content hashes

Canonical texta0bdae2da0f62350f9c5708e096ff185d781143251653192d6673c4526081aa8
Markdown327966bbba116919dc54e82c61756d32dd7e83a3113444381ad71691b58d0195
PDF
Publication pagedec3033cf47d77e97c27007f0d58d5929c50154dc6e7a0d66727c7216f50e33d
Manifestb66febb9e3805f8d9ba321b7ce315a2d50828446a1ff8af1fe3a3000111296a4

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
SignatureeWHwGcRMlpriBaCgaSbbnBxkzyWmazN5ATnhf3uZi/OKbzFfsysYq+iKjeLTCoBdvYo3y2qDVG6Zq3c00gCIDQ==
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

2026-09-17T11:30:49.218087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034261
observed dec3033cf47d77e97c27007f0d58d592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.197464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034261/manifest.json
observed b66febb9e3805f8d9ba321b7ce315a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.180186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034261/publication.md
observed 327966bbba116919dc54e82c61756d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:49.162011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034261/publication.txt
observed a0bdae2da0f62350f9c5708e096ff185...
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.