OpenTechnical

OT-2026-000047218

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000047218) never changes.

Identity and time

Publication numberOT-2026-000047218 · never reused
Internal UUID01a0ae7e-d0f9-7ccf-98ac-c98505c5f4d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047218
StatusPUBLIC

Content hashes

Canonical text5c241804b52a3c620df140f0f3bfa8b5551fd6ae2e4fb8e6007b556d5905de02
Markdownfcf912412096d4eb770b1847b2df2d96270a5bc490d39772aa0441c63da55ceb
PDF
Publication paged3570e6c8e13507c68232d5f6374e559c43a576ce9b82ba995b752173b2748bb
Manifest5773434c9d8a1588a594c87775af21936eeb1bd90d5bd47caedbe8976759bac5

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
SignatureJwpD224Oj2bgmHdlWV2LbnXIv3Rv+ULiydXDzPRxdbdxh9BeshcX25IYEjrAqAOMQwPvEuX5zFhhuv99weZPDw==
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

2026-09-17T11:08:03.316243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047218
observed d3570e6c8e13507c68232d5f6374e559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.299365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047218/manifest.json
observed 5773434c9d8a1588a594c87775af2193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.281016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047218/publication.md
observed fcf912412096d4eb770b1847b2df2d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:03.260985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047218/publication.txt
observed 5c241804b52a3c620df140f0f3bfa8b5...
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.