OpenTechnical

OT-2026-000043690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000043690) never changes.

Identity and time

Publication numberOT-2026-000043690 · never reused
Internal UUID01a0ae7b-92d0-703d-9d04-9d660cd40b96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043690
StatusPUBLIC

Content hashes

Canonical text9e62e79215f7ebd977dd2475bea00303d767748a47e6f7fab345ac96988da087
Markdownee010c93108207ebc142ef2cd9d95d9c3f8161bf7cb0674ee8e6a77b86c10444
PDF
Publication page87ab4eb367482c1f252f94c96075e6a733771c8079b32d482f335b7f4f4d72ea
Manifest39ced17e815251006dbc5beca58f342e6d24d72e6a7460245a906ee792e648df

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
Signature7D1Vvbu5z4ZN2O2pM621O6hnxFHSVD3kTXM5+H78ifMJAKOImhMmFv2K1SZk0PNkp4e4XK1kFYsQdVx7xveOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:13:10.957789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043690
observed 87ab4eb367482c1f252f94c96075e6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.936103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043690/manifest.json
observed 39ced17e815251006dbc5beca58f342e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.916180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043690/publication.md
observed ee010c93108207ebc142ef2cd9d95d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.896250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043690/publication.txt
observed 9e62e79215f7ebd977dd2475bea00303...
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.