OpenTechnical

OT-2026-000011709

Publication integrity record

Single bellows cup 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-2026-000011709) never changes.

Identity and time

Publication numberOT-2026-000011709 · never reused
Internal UUID01a0ae6d-1940-714b-b16e-845f427b432b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011709
StatusPUBLIC

Content hashes

Canonical text973c5892b3ec9120887e5d8ee8e08d4c1b13049a8ddfd4bddb60bfd3c5cbd69b
Markdown40a8bc3acc5f47d924c9aa8cd62667f020fb2027e817ddd5cac14b936ed840a8
PDF
Publication page94b8dc28d71fc21fedc2e33fd42432b9554ecd90fe062e328f5a0d1b50397fd5
Manifest1d436a68afa3c39fad9cd812ff3951afdbd8961124613642111b78ea193c4798

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
SignaturelVCqgsxh4DrsYZVG0770E4Gb0rPZQSpfUWgFweHBM2asQOC34IlRZ6O2PlXsOXeBr671tMIOjCbxWNq0JytPDA==
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

2026-09-17T12:12:19.136139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011709
observed 94b8dc28d71fc21fedc2e33fd42432b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.118138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011709/manifest.json
observed 1d436a68afa3c39fad9cd812ff3951af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.097750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011709/publication.md
observed 40a8bc3acc5f47d924c9aa8cd62667f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.054299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011709/publication.txt
observed 973c5892b3ec9120887e5d8ee8e08d4c...
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.