OpenTechnical

OT-2026-000024250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000024250) never changes.

Identity and time

Publication numberOT-2026-000024250 · never reused
Internal UUID01a0ae70-e8c8-7b71-9716-38c59eb89dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024250
StatusPUBLIC

Content hashes

Canonical text7b166536de4b95dd2055186ad9916344b299bfd3130ef21f957f194ffc428809
Markdown5405119afcf993700ebac321e20a35bf88935263bcf4b2dcc58bf2617bdb33cd
PDF
Publication pagec275a1af35f3a8ce03822d87e0e24e2e67c7d93592ebcdde0b07e6120770d13b
Manifestc2ec68af339348a33e8deeb7079cba8bd23dbe7a7f1217f055f4734bbdf8f338

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
SignatureM51cQr2Aqsz7/RxO9dNYKF9tV8uuVtbvOLGNpfDl1kFG4JdK6xJsMFHWSPNyZHX9BrXFoFUYNVSj7iJAsw33BQ==
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

2026-09-17T11:48:43.627490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024250
observed c275a1af35f3a8ce03822d87e0e24e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.610080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024250/manifest.json
observed c2ec68af339348a33e8deeb7079cba8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.593731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024250/publication.md
observed 5405119afcf993700ebac321e20a35bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.574928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024250/publication.txt
observed 7b166536de4b95dd2055186ad9916344...
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.