OpenTechnical

OT-2026-000027461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000027461) never changes.

Identity and time

Publication numberOT-2026-000027461 · never reused
Internal UUID01a0ae72-6998-7994-8216-dc6162605a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027461
StatusPUBLIC

Content hashes

Canonical text250e61bcb3be1b160034c3cd05be7f906cc05f9676a9972da7cced6cbe9cbb0c
Markdown807fbda9c89c5c0bc9f91e1723913002a93b8d0d70cf291cd9e617c7b1b12c83
PDF
Publication pageddce4ba21adf602983458d1cf8670a0f0cb233f27db8f15ff60e9f0f87b7ce42
Manifestfde69e20731d63a2c68c6e80493d3fd136c59a3bd605d43d55d8a8afe245577d

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
SignatureKSjyOLfF00vIEtsmt4FqjRSiM2i8b3nF+z1Trt7EmDsYGIyPsI9GVYQD8R0M8u2C53UzYv+RCQjiz7ictAI9Cg==
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

2026-09-17T11:42:55.198751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027461
observed ddce4ba21adf602983458d1cf8670a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.179405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027461/manifest.json
observed fde69e20731d63a2c68c6e80493d3fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.158172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027461/publication.md
observed 807fbda9c89c5c0bc9f91e1723913002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.140387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027461/publication.txt
observed 250e61bcb3be1b160034c3cd05be7f90...
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.