OpenTechnical

OT-2026-000014054

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000014054) never changes.

Identity and time

Publication numberOT-2026-000014054 · never reused
Internal UUID01a0ae6d-8deb-7833-9ab4-9f5205b8d0b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014054
StatusPUBLIC

Content hashes

Canonical textc2915461add88b9b0b7a997e940b84938328a777dce3f6a2967365f999d9145e
Markdown1730b0c80e6008a7d64d8ff0285891a31478f1ad12000ac2fa52a98a09449ce0
PDF
Publication page648fb46bf9b6d930b397eb441e7c93b5c6f19e42bac7fcff5b699b86ec52dd59
Manifest9cdb9cc5ed84cfabb2873df4eb8cffcbb4a55b7f35bed218a40944dcb60c2a9e

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
Signature4kGuxqyrKNSASC4n6wdY566t5TvwypmoKivGT6p8bMddwrNpLdmzTMJFe21XIYcQHlysGhYQjjINj4GPVgowCw==
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

2026-09-17T12:09:17.583128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014054
observed 648fb46bf9b6d930b397eb441e7c93b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.565515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014054/manifest.json
observed 9cdb9cc5ed84cfabb2873df4eb8cffcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.546894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014054/publication.md
observed 1730b0c80e6008a7d64d8ff0285891a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.527913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014054/publication.txt
observed c2915461add88b9b0b7a997e940b8493...
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.