OpenTechnical

OT-2026-000019741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019741) never changes.

Identity and time

Publication numberOT-2026-000019741 · never reused
Internal UUID01a0ae6f-1fb4-7ac1-8ea4-ac63e61e220a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019741
StatusPUBLIC

Content hashes

Canonical text67d250aac7aacd7723b129103c085ea87dda8638d77538df89ea4a64f35eff01
Markdown80655d5adcf55ad3fe206bcd5ad359397469e483ab047d42a46eac30ea801684
PDF
Publication page0c7324db94d08dc4db1e9ac92a085419f3e5be15ac0f6ec5ae257493e0667f13
Manifest53b9a8c6cb691cf17a22e6e7ab1f867b08764d3ebf27ceacdcfe3e04e7e9238d

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
Signature6ZoDylq+Fs4RUseLKgn9f+92mRssdPRKbjdySUjW7XLL8ChLppVCzwV5TqUZ0FnMGtWEWfMpLDcA1hCELJcHCw==
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

2026-09-17T11:57:50.066494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019741
observed 0c7324db94d08dc4db1e9ac92a085419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.046803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019741/manifest.json
observed 53b9a8c6cb691cf17a22e6e7ab1f867b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.027683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019741/publication.md
observed 80655d5adcf55ad3fe206bcd5ad35939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.008370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019741/publication.txt
observed 67d250aac7aacd7723b129103c085ea8...
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.