OpenTechnical

OT-2026-000102136

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102136) never changes.

Identity and time

Publication numberOT-2026-000102136 · never reused
Internal UUID01a0aea4-50f2-7862-ac6d-1df8cc645200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102136
StatusPUBLIC

Content hashes

Canonical text024df145ec73f374c1db7972f448080ac214fd538743271dab8dea645295aba0
Markdownddaa10d180e95452cf6d03e3d017aa85f7d422b3ef265c9b220b5a7298af7b69
PDF
Publication page8627347d712ee9ad3522183e162121e08e0cf2b73b9f75871be2fb2c39398488
Manifestaebef1eb4c6c2383d91eed1d1b6c2a79515f51eb5fec3fb6e4057970cedd12e8

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
Signature0pTAJxSr/RyBN5eAC6joxpURTLM9ilM+4s9caMWjK2dchE4spm2IkAGMiDX7a6XYBwMqmyWJrb+brhIgTJcVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:17.974161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102136
observed 8627347d712ee9ad3522183e162121e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.938383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102136/manifest.json
observed aebef1eb4c6c2383d91eed1d1b6c2a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.919438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102136/publication.md
observed ddaa10d180e95452cf6d03e3d017aa85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.885222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102136/publication.txt
observed 024df145ec73f374c1db7972f448080a...
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.