OpenTechnical

OT-2026-000058828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000058828) never changes.

Identity and time

Publication numberOT-2026-000058828 · never reused
Internal UUID01a0ae89-479d-74ca-9196-e4cf7fc0e8c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058828
StatusPUBLIC

Content hashes

Canonical text8c70c382f4526df69a9d1b97c7d1208d5e46c42ae13d27c634cbacb9eb614179
Markdown1e1d4792b3152188f181070368930eee9587eb16629c444044e2113a29dab35f
PDF
Publication page9e3574db81ccd86eaddf50deb113fdcdc71a36b468588ff5fc393b4cc4ab9fc3
Manifestbdb232806a57195cc395d19657a513380efebfec4bf913b0d057145c18c34958

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
Signature5hEUfgAJDfe/2Jv9R++1LrtL/8bt1Lva5Y2gkbyt7ahc+iuk0KDWSz+mQmjKTdOCMj3opf5A2mn1TEPZFXPEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:21.485945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058828
observed 9e3574db81ccd86eaddf50deb113fdcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:21.467556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058828/manifest.json
observed bdb232806a57195cc395d19657a51338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:21.447302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058828/publication.md
observed 1e1d4792b3152188f181070368930eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:21.429705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058828/publication.txt
observed 8c70c382f4526df69a9d1b97c7d1208d...
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.