OpenTechnical

OT-2026-000053502

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented before 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-2026-000053502) never changes.

Identity and time

Publication numberOT-2026-000053502 · never reused
Internal UUID01a0ae85-0a92-76b1-98ed-3e4fb033ee1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053502
StatusPUBLIC

Content hashes

Canonical texte9cf0a8d54c33147704fd99bc2424b4ebf0b234a0370606cba94f436a1d1f2ee
Markdownc15e62d2ed3a03ddc86f746e3a53d13c4c48dfbb35adaba5031b9eae3c410a6b
PDF
Publication page33b8910b8598dac428395769a5129293e2bb9a155fbdc32368b95e60cd2808ef
Manifestb193ac1cc1fa1fa1f84e5a767c2c811ed594fa85234e62ad2652bd202d874b6c

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
SignatureePN7ZlAqJk0cypoXZxW841waWiY5DZKLeLG6NKK4JHjwzg2qIDQPq0Qmn60KLJuM15sYJpFBrQijrPLH3uywDg==
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

2026-09-17T10:55:20.684160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053502
observed 33b8910b8598dac428395769a5129293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.667125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053502/manifest.json
observed b193ac1cc1fa1fa1f84e5a767c2c811e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.648562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053502/publication.md
observed c15e62d2ed3a03ddc86f746e3a53d13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.626951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053502/publication.txt
observed e9cf0a8d54c33147704fd99bc2424b4e...
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.