OpenTechnical

OT-2026-000053501

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000053501) never changes.

Identity and time

Publication numberOT-2026-000053501 · never reused
Internal UUID01a0ae85-0a92-7728-8aad-9efd155c1892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053501
StatusPUBLIC

Content hashes

Canonical text45842a450296585923f4c0a3b578c2a1b6a305cd6897ce07b5bc76ac21411792
Markdown7112aa640d2602963aeed4d5fca3e2c533d7516ba988a9d7c4118aaae3ce2820
PDF
Publication page6b8ff07d209dc5528910b33aed37dafe911c638318aff30b9803342d9d52d211
Manifest7e7aecb03846f9797435e9aec3646c0a05a0608b0cee8ccfc1caef8c10568621

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
Signature3fqvtcrqdaqiMNzkg6YGkLmx3ths61D3xbVCGjRX6GqtIFnvvRCocYn4oZqjTSFSzAIxaLN3p/wGLKiGJlSbBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:20.603131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053501
observed 6b8ff07d209dc5528910b33aed37dafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.583757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053501/manifest.json
observed 7e7aecb03846f9797435e9aec3646c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.563461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053501/publication.md
observed 7112aa640d2602963aeed4d5fca3e2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.542979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053501/publication.txt
observed 45842a450296585923f4c0a3b578c2a1...
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.