OpenTechnical

OT-2026-000037164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000037164) never changes.

Identity and time

Publication numberOT-2026-000037164 · never reused
Internal UUID01a0ae77-7741-7c83-85e7-7ed8a813584a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037164
StatusPUBLIC

Content hashes

Canonical textb5462ca677132c8ef6b892447419ccac0514a99cc28dcf3b1d33ecaa87262120
Markdown573b1acbc41e2cda0b497e0b380d05c19098c13f5d23b7295428589a74bf20b0
PDF
Publication page46a457d56472f9cdff35f7e6f458a1bf1185d68ee83f2d0c5e7d02c5328946e0
Manifestb26e74a7e48e4f8f0c73939ddce24745a928ef378c140b427f97dae28fc1df82

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
SignatureDMsPvw3Cuue6SFZAnMBsi4mQ0/5VnNBQc7q7OCMWOoZJT29ElogGeuza2Rq7S2tDW6bfsWoT2axKlsiiccsqBQ==
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

2026-09-17T11:25:03.027869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037164
observed 46a457d56472f9cdff35f7e6f458a1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.012425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037164/manifest.json
observed b26e74a7e48e4f8f0c73939ddce24745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.994233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037164/publication.md
observed 573b1acbc41e2cda0b497e0b380d05c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:02.978630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037164/publication.txt
observed b5462ca677132c8ef6b892447419ccac...
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.