OpenTechnical

OT-2026-000067104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067104) never changes.

Identity and time

Publication numberOT-2026-000067104 · never reused
Internal UUID01a0ae8f-14ff-77b4-ae8d-6f9b5799883d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067104
StatusPUBLIC

Content hashes

Canonical text8662e3595defcb3db32143bcb563b27b024e23df71cf7958bebcf3369d640d15
Markdown9942b5ea037860cdbd9e2afcfa0f1f316ab1082cc2d67f8752a3c2637e4bb983
PDF
Publication pageb5041d36eb6a2c5252de9b3d528a17da8ef5e7c0a48533902712114481d8be55
Manifest8afbd54c60ca8c92ed5b93a9a900bd6a8cc648e6b7d2fddd331e4fc45d49bcb0

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
Signaturevsn+L1W2K51zCAmOrU2Oen6auXX/RgdUCWkAim5QyTGcy6MhD2f5ZAKtsYQ74tgXQi60JliKeBj/HbKuywVSCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:22.350098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067104
observed b5041d36eb6a2c5252de9b3d528a17da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.332111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067104/manifest.json
observed 8afbd54c60ca8c92ed5b93a9a900bd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.314061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067104/publication.md
observed 9942b5ea037860cdbd9e2afcfa0f1f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.296571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067104/publication.txt
observed 8662e3595defcb3db32143bcb563b27b...
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.