OpenTechnical

OT-2026-000083663

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000083663) never changes.

Identity and time

Publication numberOT-2026-000083663 · never reused
Internal UUID01a0ae98-0416-7265-8db7-0bd525aaae6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083663
StatusPUBLIC

Content hashes

Canonical text18a3514d1b6e4218b808f691f6c662dc3bd1d98ef7be7b6a0a50c4acec84cb46
Markdowndf417f3318d0ff04f0f148015e88d34574d48d3a64e3ffac7a437f6666512226
PDF
Publication pagee9ef2f09da46c934a39074e02a401c67de9bd3314f186399ea7d41f1e3f12ddf
Manifest8aa2f29c4aad1256509a9709b8a297f96602a08b546d01f5a0e7ac79eededade

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
SignaturekaWV3t3cb8bv41pQN9H/kOTZv2IIRF4diyohKkRnUraT0GCkDjxnk8o3DJScfpWjNXci39sYoBeXSh7sSJwbDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:17.060267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083663
observed e9ef2f09da46c934a39074e02a401c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.042669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083663/manifest.json
observed 8aa2f29c4aad1256509a9709b8a297f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.025643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083663/publication.md
observed df417f3318d0ff04f0f148015e88d345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.008089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083663/publication.txt
observed 18a3514d1b6e4218b808f691f6c662dc...
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.