OpenTechnical

OT-2026-000040672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000040672) never changes.

Identity and time

Publication numberOT-2026-000040672 · never reused
Internal UUID01a0ae79-6d0e-75c9-8539-775e8c7547ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040672
StatusPUBLIC

Content hashes

Canonical texta88ce1e29458cf41415d5d119f5f62d8b3c93ecf0b9c9ac72049a7eb8dd9fa70
Markdown1e133c14c718300dfba61230f83f90313acf1c2f118538c7a0303f074aa77a77
PDF
Publication page3274993592bb9d74b7afde7dff417895eda7de769b4e9715a5050ea862e3a4a4
Manifestafcb887bbf37bc3431c1ce4d2552c30c8080e265ebc3d948055f33bd878b2467

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
SignatureooGrA8wq3wa1l/0mGPrbDfH31nSI3tc5xTzbFIUGmu/hxw3pLVnZHPJ0CWtwN8AY2s7YKyEAYSJgpJ0ly/JOCw==
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

2026-09-17T11:17:51.933970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040672
observed 3274993592bb9d74b7afde7dff417895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.916023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040672/manifest.json
observed afcb887bbf37bc3431c1ce4d2552c30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.897032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040672/publication.md
observed 1e133c14c718300dfba61230f83f9031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.878790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040672/publication.txt
observed a88ce1e29458cf41415d5d119f5f62d8...
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.