OpenTechnical

OT-2026-000017148

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000017148) never changes.

Identity and time

Publication numberOT-2026-000017148 · never reused
Internal UUID01a0ae6e-76c7-72d8-a0ce-138d09b6544d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017148
StatusPUBLIC

Content hashes

Canonical textaa6726d6038c3169687b87f8aaa27bd6896dd343ee25beff553baf72145121ab
Markdowndb2d201891f354c6012acecadb4562494429084e70c4a9fc2ec8e5019d09c734
PDF
Publication page293c2428edaa884709f4bf43fec8119a0f33522c897ce617c7e0a75d4af51f8a
Manifesteea9f686b5f851483705d898aabef46003b9241fa4f5c621de21db42430d56cc

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
SignatureW5YIrQTigSJW66wF/JgiPIu7DOAeG2PUsEmgycQAvmBPUAgM2RlTwQgq2WMbFK9TQVCHwNaSK+C2L0/Y4dneCg==
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

2026-09-17T12:02:12.511367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017148
observed 293c2428edaa884709f4bf43fec8119a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.494466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017148/manifest.json
observed eea9f686b5f851483705d898aabef460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.477532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017148/publication.md
observed db2d201891f354c6012acecadb456249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.461522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017148/publication.txt
observed aa6726d6038c3169687b87f8aaa27bd6...
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.