OpenTechnical

OT-2026-000049594

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049594) never changes.

Identity and time

Publication numberOT-2026-000049594 · never reused
Internal UUID01a0ae81-8f7d-7d7c-b555-82dcead358ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049594
StatusPUBLIC

Content hashes

Canonical text685e27d2b94653ffa4317dca1b6ec7d77b848f4db98d653bcf73d4cdb24d9e06
Markdownf0969978cdbe160e0fff76430901b0608ca679f3f44033ea4cef73b7c156994a
PDF
Publication page7057c7dc47c17caf7aff6ab3b043e9b82ea03b92200750c4e38ef7c0fcbb8ef1
Manifest62bb65f201ef8110b8dee8cc7cce4f2e0c687482cff639bf81d6d1a3e0bcc17d

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
SignaturewRVTYJCs18NOgMtOO6l3nH2XaJJm8eTUVhg9DFwO93C0PcRrpjK5tmYLv3UgikwyykiawQEVX4GrEu8xGlFHAg==
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

2026-09-17T11:02:34.356274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049594
observed 7057c7dc47c17caf7aff6ab3b043e9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.339004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049594/manifest.json
observed 62bb65f201ef8110b8dee8cc7cce4f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.318492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049594/publication.md
observed f0969978cdbe160e0fff76430901b060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.300303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049594/publication.txt
observed 685e27d2b94653ffa4317dca1b6ec7d7...
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.