OpenTechnical

OT-2026-000023633

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000023633) never changes.

Identity and time

Publication numberOT-2026-000023633 · never reused
Internal UUID01a0ae70-aed3-781c-9916-9dfdfff0d340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023633
StatusPUBLIC

Content hashes

Canonical texte720c3cc5e2410ff49348af4a2b2789b25828e526e4d002d96ed14aedf9ba7f2
Markdown9ac9b09e5f2a8411b2c7edfa4dc8ca05ed8c4ae1e833eaf62188ac097ffdca67
PDF
Publication page0eb8ac31a86a4f0c1b40342f1330cc53362bda258cbcc87006faa470ccd4b7ea
Manifestdf1d25ac2f84e92b279224f18be54f0d57778d47e1e7d64508783c68a6155b15

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
Signature2UN9uynFTegIZVoKj7eC+CHje8ngF05Lds2jhY4hL/epaLybXHsKhqtx5tATaoOCjByunsR9G2XFY3U/a4CpDQ==
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

2026-09-17T11:49:50.524528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023633
observed 0eb8ac31a86a4f0c1b40342f1330cc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.506879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023633/manifest.json
observed df1d25ac2f84e92b279224f18be54f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.488525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023633/publication.md
observed 9ac9b09e5f2a8411b2c7edfa4dc8ca05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.468507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023633/publication.txt
observed e720c3cc5e2410ff49348af4a2b2789b...
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.