OpenTechnical

OT-2026-000061687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000061687) never changes.

Identity and time

Publication numberOT-2026-000061687 · never reused
Internal UUID01a0ae8b-b8aa-70d8-85b7-3f96330a6007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061687
StatusPUBLIC

Content hashes

Canonical textc7832464c46883d353201994040b9c8485a0d45d5c013bf577e29078c60a60b1
Markdown2cb7b9ac5c0c6c470b7aa02ae824289327df1d66c66e6df864947c9c4976c3d7
PDF
Publication paged055f3b1f3b1e6088907025c631219100a8d401af24a006122678ce8a7464b19
Manifest7654de114ab44802801eab7c49a110b113667e68385fafcfb6967d990cf471dc

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
Signaturee5WbgM3xbOXvVpomNAV371lAF5qDD4wOUsznDYLrEp3E9jlFUnrE/Zmu2cfWCbceJfykkU1O/lv5/vzsOkVtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:14.858512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061687
observed d055f3b1f3b1e6088907025c63121910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.837622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061687/manifest.json
observed 7654de114ab44802801eab7c49a110b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.819441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061687/publication.md
observed 2cb7b9ac5c0c6c470b7aa02ae8242893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.800287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061687/publication.txt
observed c7832464c46883d353201994040b9c84...
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.