OpenTechnical

OT-2026-000068799

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000068799) never changes.

Identity and time

Publication numberOT-2026-000068799 · never reused
Internal UUID01a0ae90-6dcb-715e-8686-2517d321b743 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068799
StatusPUBLIC

Content hashes

Canonical text1a6f1e8bbdf1c73f3bd29c06093cfbe97112ed1f1e58706be307a9f34ac5a35b
Markdownbfefb7c1f5472a8aa4b4aa4b0e9210336b40a7f4a5cc97c8b463f633d47e9865
PDF
Publication pagea87caa3b90a503ae5140dc53a45de7636b7965f7abff3d071f17cf63681c4cc4
Manifest2645def738b2885c192e7a5aa7eae20d199f615875a872e05c58799c37c23c30

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
SignatureasRopfbhX8ALh/2k3H/kp+axOMZ/K6uasps8LJSyQLRbcJqgtb9r6rbqVo1LnvNQi5u5q1OO2ZZn1IDZGfGqCg==
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

2026-09-17T10:28:36.010153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068799
observed a87caa3b90a503ae5140dc53a45de763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.992839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068799/manifest.json
observed 2645def738b2885c192e7a5aa7eae20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.976585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068799/publication.md
observed bfefb7c1f5472a8aa4b4aa4b0e921033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.960689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068799/publication.txt
observed 1a6f1e8bbdf1c73f3bd29c06093cfbe9...
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.