OpenTechnical

OT-2026-000027983

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027983) never changes.

Identity and time

Publication numberOT-2026-000027983 · never reused
Internal UUID01a0ae72-a51f-7bfb-ba0c-61db9f9320fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027983
StatusPUBLIC

Content hashes

Canonical textbb6dfdeab5068149cb2e89b3a6e21a1ded5591bab81ee1e3cf1336bcacd4324c
Markdown9e7533e783414c9c3020412124cab5416c50913b9be98cce04de94df761a4cfd
PDF
Publication paged9a2b2b8bc0909c76d3b8e6c634dd0786397f24b4ff3e156b975a889dfefe5d5
Manifest37892ab6250189bcd73a3ca57aeac05ef4f30a4597608fa4fc2cb8e06131657b

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
SignatureZTvo736Cji3wgfzmPZ8JBCEYYyUxZ5g0+ud0E3XeDuwlpM6EpJqo92/3GWx0aNimNxVG5cHb1eHm2g2LRzXQCg==
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

2026-09-17T11:42:11.146898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027983
observed d9a2b2b8bc0909c76d3b8e6c634dd078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.129957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027983/manifest.json
observed 37892ab6250189bcd73a3ca57aeac05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.111127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027983/publication.md
observed 9e7533e783414c9c3020412124cab541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.084268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027983/publication.txt
observed bb6dfdeab5068149cb2e89b3a6e21a1d...
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.