OpenTechnical

OT-2026-000062102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000062102) never changes.

Identity and time

Publication numberOT-2026-000062102 · never reused
Internal UUID01a0ae8b-b8b0-7bcb-b720-0325434014b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062102
StatusPUBLIC

Content hashes

Canonical text3d7837ea2233741d05411b8749cba829b0b190ea5f36fef24c436bc9ee1f77e2
Markdown2aa5467c849da41d91dce5dd960cc04848e6e345a179ca7d1e43bca28b711e10
PDF
Publication pagef0a8945404f3885774533cd0d4389348674acc7f4b24c46d826154abdded33a2
Manifest7aa03a7618db70d8becedb6333d2cef31d8eedbaa75f0785285fb716f8b17362

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
SignatureXET2M6sPMKbCBx/WCOm2COK9mdGq/Pvh8AsJtUtL6L9PGHOMM4WRt9PaLaLzRcFMQX1c5pS5G5hHd5xwZVlOBQ==
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

2026-09-17T10:41:09.602834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062102
observed f0a8945404f3885774533cd0d4389348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.585912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062102/manifest.json
observed 7aa03a7618db70d8becedb6333d2cef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.568686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062102/publication.md
observed 2aa5467c849da41d91dce5dd960cc048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.553162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062102/publication.txt
observed 3d7837ea2233741d05411b8749cba829...
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.