OpenTechnical

OT-2026-000031701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000031701) never changes.

Identity and time

Publication numberOT-2026-000031701 · never reused
Internal UUID01a0ae74-bad0-78bd-825c-54f8f80698a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031701
StatusPUBLIC

Content hashes

Canonical text695a1c09f988791f2f7514bad8a34daa8c6641d24506fd66322af1b20cc5b6dc
Markdown0322d2b22a6bccf539e1a9a7ef8a5be7f891d27c451057fb8c960450fb2ce52b
PDF
Publication pagea3d0396b6b3bf5b62fc318a689b995c4c4781652ffe2cdd98eb021529df24ab0
Manifest51fc70f5fa5c52675b9508da5a7eca84bf86e9430e1a7f2e4feb0e521f7bed48

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
SignatureLJcnuuKzzbrE4tP6DyV7qjlzuBBiajcKuMu/476WghNEmC1ZK972ijanVuhuBC+q4EYAhbyGqe5pvoUcVSg/Aw==
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

2026-09-17T11:34:48.493554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031701
observed a3d0396b6b3bf5b62fc318a689b995c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.477179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031701/manifest.json
observed 51fc70f5fa5c52675b9508da5a7eca84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.459574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031701/publication.md
observed 0322d2b22a6bccf539e1a9a7ef8a5be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.442657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031701/publication.txt
observed 695a1c09f988791f2f7514bad8a34daa...
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.