OpenTechnical

OT-2026-000031656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000031656) never changes.

Identity and time

Publication numberOT-2026-000031656 · never reused
Internal UUID01a0ae74-bad0-7289-979d-32efd6e8cd1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031656
StatusPUBLIC

Content hashes

Canonical text464fb8deba2b87486a462864b0f6410446ddcacb60bbfefb146a7241cef6c557
Markdown7cf7a272176b6cff722a3c3ab6d2cd12765d4e9aaa37efbe79c61ff80a4e2e74
PDF
Publication pagefb959584ab902e764757ac67250e6905f284927ec8f169604011f3ca5eb89e38
Manifestf913060bf01cbe93c3a528a6e796f3c342bea0de0410630fde8a4462964fbe15

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
SignatureNYU4CsPh7s3ihMDtIxtHeO7uLbWx8BgsbJ/spKfLCoFZmz5n5XTlsOXdy8HC7KKYWIzLthZMAUauoS1vQzODDg==
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

2026-09-17T11:34:42.866372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031656
observed fb959584ab902e764757ac67250e6905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.849665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031656/manifest.json
observed f913060bf01cbe93c3a528a6e796f3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.830318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031656/publication.md
observed 7cf7a272176b6cff722a3c3ab6d2cd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.811945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031656/publication.txt
observed 464fb8deba2b87486a462864b0f64104...
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.