OpenTechnical

OT-2026-000056568

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000056568) never changes.

Identity and time

Publication numberOT-2026-000056568 · never reused
Internal UUID01a0ae87-7af5-7be7-bc89-1d37113fb3ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056568
StatusPUBLIC

Content hashes

Canonical text6cff3f0530a597ed90e2d5aee990f07c0c67aa7d0f20e1290734b4e478255ad6
Markdownf7827307935045e6c68a1c84c1978a92aeba48ce14174405dea41a00dc7cae15
PDF
Publication page5d62fd072e8580d27b563448eba2b114e8083ca65b5a34e1c2735f8f9ce9c0fa
Manifest460ae7ca51ae1bae833345b462d8679165ee0e3b6725bf8281312c9ceb5826e3

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
SignatureJKxAqgUhLoV6hpsRl3HkPkn4NIIAYgK1K28dXea3+Mp46BGCa5XoltTdvuEY+wGoblEXaQCAXHqj5+TOvfhhAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:54.432975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056568
observed 5d62fd072e8580d27b563448eba2b114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.413878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056568/manifest.json
observed 460ae7ca51ae1bae833345b462d86791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.395369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056568/publication.md
observed f7827307935045e6c68a1c84c1978a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.376855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056568/publication.txt
observed 6cff3f0530a597ed90e2d5aee990f07c...
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.