OpenTechnical

OT-2026-000017521

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017521) never changes.

Identity and time

Publication numberOT-2026-000017521 · never reused
Internal UUID01a0ae6e-76ca-7c0d-8ffe-1b2efd84e83b · 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-2026-000017521
StatusPUBLIC

Content hashes

Canonical textd3c374bb51f0c1ad9d057aeef8f8f98bc8e71572bb7cee1d5a461f4580b3db47
Markdown6da348926ea302e7c34915047c42d33f52f6a252d54065ea25479b0dd204156a
PDF
Publication page8d34e134f806f5fd9950daae0f67134f5759621138b3c2dbe68048fb2f9d17f5
Manifest74b9387519fbb75a6f1369ce6e33c25e679a53c8aea2f4c66b5894c0af63b2f9

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
SignatureG++hZsan7ADDYiqqo5FcDWQM1kD/VWDxiNItb8spqNdisJ7N9N8uumxHeTTZq28ryn2cJOSZkrHg4rZxEhB4DA==
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

2026-09-17T12:02:40.759737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017521
observed 8d34e134f806f5fd9950daae0f67134f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.743921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017521/manifest.json
observed 74b9387519fbb75a6f1369ce6e33c25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.726911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017521/publication.md
observed 6da348926ea302e7c34915047c42d33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.709430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017521/publication.txt
observed d3c374bb51f0c1ad9d057aeef8f8f98b...
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.