OpenTechnical

OT-2026-000063683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000063683) never changes.

Identity and time

Publication numberOT-2026-000063683 · never reused
Internal UUID01a0ae8c-f946-754d-bc92-a21d858a3f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063683
StatusPUBLIC

Content hashes

Canonical text84cc162c0f54c8c72af4b465309c95cb934a916e18cdfd2bad1431a3f43d0893
Markdownc632d052aa2bc2f90cb8e043357724efab41bb38f71e4b0f6e4368b407e50090
PDF
Publication page2ac622462d85179da5acdc3876f9e60c32dd3b29469ad6afcc8a04fc85b4bb38
Manifest620b0e4c32592cf46f982002dfe7507c8860fef037a99c96cedef8e62129e8e2

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
SignatureWKsXc97YxFzgGUZAKArqIE89VEUMBlY8jgLWoVdZ20zxEB25TXpW4CU6fhHK/jU3iqVtJS6sJjfaBij1rAj8Ag==
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

2026-09-17T10:37:48.021984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063683
observed 2ac622462d85179da5acdc3876f9e60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.004638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063683/manifest.json
observed 620b0e4c32592cf46f982002dfe7507c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.988335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063683/publication.md
observed c632d052aa2bc2f90cb8e043357724ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.957941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063683/publication.txt
observed 84cc162c0f54c8c72af4b465309c95cb...
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.