OpenTechnical

OT-2026-000020196

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000020196) never changes.

Identity and time

Publication numberOT-2026-000020196 · never reused
Internal UUID01a0ae6f-4379-77a6-9ea9-d12e1371b2b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020196
StatusPUBLIC

Content hashes

Canonical text5a12e561a32f74a28e516348c5718b33ae3bf49b9020847235c2c93bef4fb6a7
Markdownc5902909cff3c7f0f8bf6f3b8a5cd75b0ea2fe4f7131ad53e09b38b2031342d8
PDF
Publication page8d9cd7b44afd721d74847688ed5f07aee3232edf5e88bdc2152d571721bf5397
Manifest7f1e4bf919ce569dcf2168d966d33c1803a63310d93f4b44eef304f521d79c55

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
SignatureaA1EQDtlaK7dYxzyF5HTG4GAIXXZmPbyw3n41BW8ejXYVI2V8FA5W7FRyBeVTdE7TyxAe7XVITF8Gvpgu7mwCg==
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

2026-09-17T11:56:31.628964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020196
observed 8d9cd7b44afd721d74847688ed5f07ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.609593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020196/manifest.json
observed 7f1e4bf919ce569dcf2168d966d33c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.590775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020196/publication.md
observed c5902909cff3c7f0f8bf6f3b8a5cd75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:31.572801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020196/publication.txt
observed 5a12e561a32f74a28e516348c5718b33...
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.