OpenTechnical

OT-2026-000047917

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000047917) never changes.

Identity and time

Publication numberOT-2026-000047917 · never reused
Internal UUID01a0ae7f-c421-7506-ad54-added9a7900a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047917
StatusPUBLIC

Content hashes

Canonical texteb4e7e0cf3798e44dbdcc27b0ac805796b87fa4cf5cb2ae5d3f89d6c78f74bd2
Markdown9dfa77e30ed11af5c5aa1791a0d6e386aadeab6af49a4c97bf38e1818a6ca90f
PDF
Publication page0befb91196981c145387a081da8c62fb2872a3ed7ffc9be1f79ee82d09e3f4fe
Manifest94e8d67f26135aef31977fe7967b4de9c1d35987102fb23c5e3717e2bae94444

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
SignaturesEXr7PVRABBwS6dfF2Btbtcwp53CE7f+XXj/vfQUQ1B4xGX4ihfFWK+dacYkl3gO200/UZIS/tY1VlNpfInhBg==
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

2026-09-17T11:05:51.719623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047917
observed 0befb91196981c145387a081da8c62fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.698312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047917/manifest.json
observed 94e8d67f26135aef31977fe7967b4de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.677207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047917/publication.md
observed 9dfa77e30ed11af5c5aa1791a0d6e386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.658872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047917/publication.txt
observed eb4e7e0cf3798e44dbdcc27b0ac80579...
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.