OpenTechnical

OT-2026-000099669

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099669) never changes.

Identity and time

Publication numberOT-2026-000099669 · never reused
Internal UUID01a0aea2-c976-779e-be3c-e3e2042f3431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099669
StatusPUBLIC

Content hashes

Canonical textb971786c9eeb858e07cd695f80f7c222a68b6fca141a002f7ccab8bd477b972f
Markdown49022b8f1ae1200e65eac902a8733d8cb51a92050a43ef4f5f84ab3227a9a7e7
PDF
Publication page2f0b4ef6e20c6e6b7c978d499deb5b8cb037de21e873e03936d711274e894e17
Manifest49461b5da024d42b85544e13c9766bc5ef18bab70acdc3f71064582746614e2e

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
Signature4Kr6D2BNyLmHJMmn6wxtDSFBfvMdZx9+sadvgbxIsjPBlP0GtH/SUCW/p2+27o27j3RqOWAZskHXz5cD30R/CA==
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

2026-09-17T09:29:28.835744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099669
observed 2f0b4ef6e20c6e6b7c978d499deb5b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.818475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099669/manifest.json
observed 49461b5da024d42b85544e13c9766bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.800423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099669/publication.md
observed 49022b8f1ae1200e65eac902a8733d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.767717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099669/publication.txt
observed b971786c9eeb858e07cd695f80f7c222...
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.