OpenTechnical

OT-2026-000059448

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000059448) never changes.

Identity and time

Publication numberOT-2026-000059448 · never reused
Internal UUID01a0ae89-8617-7af5-84f2-cb1cf65bdeff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059448
StatusPUBLIC

Content hashes

Canonical textd9409cfda2c0bfe28430fbcfb29d6b4834255d9dbc46eebe769b87c7ad313d2e
Markdownd3bdfd6007ec8ad5ac06569f1e3693de27395600bf93e899720362438f589640
PDF
Publication page476cd72b85025c4cce5cb0c4c57fac39e4b00a3fb6073f860dce5e0c8649dacd
Manifest8e6af6964f4dbe163a81c0d0c88903f2e7ca294b67f79bcf1481bf7e2e692540

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
SignatureV8JAJ5SNvpghHnaEEafAjxPIzo8DtlMbed78nnzt0qJChb+WlFBU3NcNi5llATqkREWlq2sI1+7qQWSGnaMmBA==
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

2026-09-17T10:46:08.627944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059448
observed 476cd72b85025c4cce5cb0c4c57fac39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.611350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059448/manifest.json
observed 8e6af6964f4dbe163a81c0d0c88903f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.593731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059448/publication.md
observed d3bdfd6007ec8ad5ac06569f1e3693de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.576971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059448/publication.txt
observed d9409cfda2c0bfe28430fbcfb29d6b48...
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.