OpenTechnical

OT-2026-000060277

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000060277) never changes.

Identity and time

Publication numberOT-2026-000060277 · never reused
Internal UUID01a0ae8a-5a74-7efd-b353-55cf3f643462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060277
StatusPUBLIC

Content hashes

Canonical textab1280dee9b69011f9f04f773bbe8d0ec96c6f047beec19414ae4cd1ac119038
Markdown115941b03f9358a7a233dc9c1aafe48e89c64da517ce59edc2066d9346f7e051
PDF
Publication page514366cf2f0fd4814d0fc0b48caa7c64a454a9f0f3d2c7769a7979ab19ae8e69
Manifest3b299e4a0abd726b99ccdccef6d7ffa812be9315d2d646d10ff9716cb4f67d48

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
Signature8MpWYTeIN3bM+t7o1YLIQad/Qp2fi154KA6TCe2O8pOHQmCtTjzV/3ff2euUUqAH+IAdH+Wj2kjcwnhDb5+GBw==
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...

Independent retrieval

2026-09-17T10:43:58.927002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060277
observed 514366cf2f0fd4814d0fc0b48caa7c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.910255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060277/manifest.json
observed 3b299e4a0abd726b99ccdccef6d7ffa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.892279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060277/publication.md
observed 115941b03f9358a7a233dc9c1aafe48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:58.868120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060277/publication.txt
observed ab1280dee9b69011f9f04f773bbe8d0e...
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.