OpenTechnical

OT-2026-000042265

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000042265) never changes.

Identity and time

Publication numberOT-2026-000042265 · never reused
Internal UUID01a0ae7a-5d73-7ad8-91ca-7e76673acb22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042265
StatusPUBLIC

Content hashes

Canonical text9e0058aa3230f77604f4cfdc1bd1ccb2c4379b180e937c14f3121b555af36c0f
Markdownb5877dfbc93515945b27d63fcad8b4f8004fd4906a2b10990285f9ffe0d4ae57
PDF
Publication page512a0e31bdfe3c779982dfd6b3ba20b9f49835945958b4b3a0fd87a63680b946
Manifeste5ab7b341040ec6c772d4a82bc0537c9292708e5b654b6c932f72013cb0be6fd

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
SignaturetZou4BWy2AnLgeY/0rWI/FI+ZOfovl/UEDXjhIcmfIo0/875Txrv+9bouThs90ek2sYIM2vUbcJr92am11cvDg==
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

2026-09-17T11:15:57.124946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042265
observed 512a0e31bdfe3c779982dfd6b3ba20b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.105857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042265/manifest.json
observed e5ab7b341040ec6c772d4a82bc0537c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.087534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042265/publication.md
observed b5877dfbc93515945b27d63fcad8b4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:57.068187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042265/publication.txt
observed 9e0058aa3230f77604f4cfdc1bd1ccb2...
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.