OpenTechnical

OT-2026-000033148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000033148) never changes.

Identity and time

Publication numberOT-2026-000033148 · never reused
Internal UUID01a0ae75-4844-7d29-8401-1a62ffa5fb37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033148
StatusPUBLIC

Content hashes

Canonical text7885b7eacda963b01d33e59dbb0ff63cbfe67fbc55b81db1c0315c4ddefefc4f
Markdown3eb94d86c441d058abec3d04f1a6d69246ceec583e7889d516b7ca5b7e1055b9
PDF
Publication page58042e37d0e5467384ce9714e20f0b51050e503fca5febe9102d4f32a04ecacd
Manifest414a913480361a8929caa1915312a0233d17ffd2505b2ad518382f4717841453

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
Signature/ddm6VE7O3469FiV548ecxByfLbHIURdCFvlpL7gmNaQNcq5YRP7sdJ6ex1YdLN168CjzIQX9ThaIdtoEM9XAA==
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

2026-09-17T11:32:50.037023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033148
observed 58042e37d0e5467384ce9714e20f0b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.017471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033148/manifest.json
observed 414a913480361a8929caa1915312a023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.999126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033148/publication.md
observed 3eb94d86c441d058abec3d04f1a6d692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.980136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033148/publication.txt
observed 7885b7eacda963b01d33e59dbb0ff63c...
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.