OpenTechnical

OT-2026-000044316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044316) never changes.

Identity and time

Publication numberOT-2026-000044316 · never reused
Internal UUID01a0ae7c-39d6-7316-aca8-ab7e9ae61fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044316
StatusPUBLIC

Content hashes

Canonical text12df2adfea2554ed048e1ba17d710b99b87b79e9628a6d9373995a92b4c70e64
Markdown3422803b6be37e7f63031008f984fe4902f8d7df1988f060146a075b3f831baf
PDF
Publication pagefc86a3240f1b15c144a7560b413af7a52af2ae1c8182082b334c570eff139bf4
Manifestc63e74138ae398fb3c27930c5a7e8c88d2b8f0e084ce00723591ab3e3ca343b7

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
SignaturelKSKzKOWa1jbZJnsNXgZLn7aw1QquDSccx33NUvEBBbWRcNcY2+Fofq0tedi6aOy3wX2HOb7yhhHLDQYZqsuBQ==
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

2026-09-17T08:30:19.231927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044316
observed fc86a3240f1b15c144a7560b413af7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:19.212087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044316/manifest.json
observed c63e74138ae398fb3c27930c5a7e8c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:18.806453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044316/publication.md
observed 3422803b6be37e7f63031008f984fe49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:18.566984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044316/publication.txt
observed 12df2adfea2554ed048e1ba17d710b99...
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.