OpenTechnical

OT-2026-000048023

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048023) never changes.

Identity and time

Publication numberOT-2026-000048023 · never reused
Internal UUID01a0ae7f-c423-7306-8a6c-fb484560e04a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048023
StatusPUBLIC

Content hashes

Canonical text7dcef0205ee9f2e1707c7656a89b4071445d743678712c34edeee6329f748a33
Markdown7a767662be6238b4bf7eae6c6ce05e38a759b6ec62b75d7dc900dbed014b9db6
PDF
Publication page50c804648133ac89b29c3156ed8872c7f60e163f1c334b09148c3eb59481f08a
Manifestdedcd991a8a0b580dc0ed5bc2f26b0b719471c4be1f5a9607943f0639e2e1ac0

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
Signature99w+b7m1w1O2zFOLhdmt4S9lQGKXuZdHJ2kt2qz0YVE86VkdLl+AjCeAk8IjAOXJW4ysmwiQHj/IAFB8c7cTCA==
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

2026-09-17T11:06:01.157973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048023
observed 50c804648133ac89b29c3156ed8872c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.140192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048023/manifest.json
observed dedcd991a8a0b580dc0ed5bc2f26b0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.120795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048023/publication.md
observed 7a767662be6238b4bf7eae6c6ce05e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.102272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048023/publication.txt
observed 7dcef0205ee9f2e1707c7656a89b4071...
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.