OpenTechnical

OT-2026-000060609

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000060609) never changes.

Identity and time

Publication numberOT-2026-000060609 · never reused
Internal UUID01a0ae8a-b7cd-7db5-b696-ce1e48278f63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060609
StatusPUBLIC

Content hashes

Canonical text6234b5bbe6cd18aad7cac7ef2ffae6a68cd3bcdadc2194772f35f388604b752e
Markdownd6866e08a944320d649c4cb133ddc68e12f1ed043f8f991414a79bada304fd7f
PDF
Publication pagea1adf7e2a2937b413d2005a1bd9e6f4eba805b6684f86b7e139803db583df54c
Manifestcf03eaeac7aebfed7c94e581c1cd6ac9f1626973c1e9208f0b9b967b3e1256c7

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
SignatureYa4683G6eD3MKjnQcOZy5WZif4my17cWS4vvf6+h2jtao/hquABoYZ0++++1z+oTzQYIcPZ0nklJ0bA2VaVWCw==
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

2026-09-17T10:43:13.943819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060609
observed a1adf7e2a2937b413d2005a1bd9e6f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.927090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060609/manifest.json
observed cf03eaeac7aebfed7c94e581c1cd6ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.910901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060609/publication.md
observed d6866e08a944320d649c4cb133ddc68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:13.893081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060609/publication.txt
observed 6234b5bbe6cd18aad7cac7ef2ffae6a6...
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.