OpenTechnical

OT-2026-000100385

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100385) never changes.

Identity and time

Publication numberOT-2026-000100385 · never reused
Internal UUID01a0aea3-66ee-7384-8f47-036e8d68c9e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100385
StatusPUBLIC

Content hashes

Canonical text53ee7b18121c2a9237a6e7d472d46d18f8aa7404cb742a6ded7f7965862a8b1f
Markdown5e7a07a749cd0759ce03321c4425585114164cd09a9db9ba537efdd13370553c
PDF
Publication pagefa6e77a4a3f83e1fd3a88f7e7612e03fde3245928772ddc28119124d1ff52a8d
Manifestb969674decdb5baaca713b4718429f852818cbe0cf0a10814fc75e060c94e6ee

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
SignatureOf6vrDvffvFlAZitsyZ5N4x6ma64sTOHvPqwpJP38Dehctt/i9J4HQ2/HHUFzc1fWeBjyFq9NZPaPH6og3EbBg==
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

2026-09-17T09:27:07.010472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100385
observed fa6e77a4a3f83e1fd3a88f7e7612e03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.992880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100385/manifest.json
observed b969674decdb5baaca713b4718429f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.974830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100385/publication.md
observed 5e7a07a749cd0759ce03321c44255851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.957537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100385/publication.txt
observed 53ee7b18121c2a9237a6e7d472d46d18...
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.