OpenTechnical

OT-2026-000044241

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044241) never changes.

Identity and time

Publication numberOT-2026-000044241 · never reused
Internal UUID01a0ae7c-39d5-7c89-b744-cea23d46757a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044241
StatusPUBLIC

Content hashes

Canonical text94cbb87dfa39d19c8bbb36d4fee72ac04ff6bb30f64aab2ae4615a7db47e5d0e
Markdown1963905170ebb8675bb387ddf7d7cf8c9d3bb57631dc10f13048e5939ff98401
PDF
Publication page7ee71c46265ab208b950631b3b538df51b65487250c63cc9d28fdff0ecde0d94
Manifest1e7f030d1c3f104b1b49b5ead31e2fdb3eca1a11380cb0e037a55727ebd12876

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
SignatureN0qs5JJTYDz+1Tv53LUbA+W3R1Ke5vx9ER96nFC4Z3nBxZyLCoHpNoSLe9p1kqI5qgox7Cw4Rf9Dnm7vUdpxBQ==
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

2026-09-17T08:30:04.993088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044241
observed 7ee71c46265ab208b950631b3b538df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.975070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044241/manifest.json
observed 1e7f030d1c3f104b1b49b5ead31e2fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.834368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044241/publication.md
observed 1963905170ebb8675bb387ddf7d7cf8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.816679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044241/publication.txt
observed 94cbb87dfa39d19c8bbb36d4fee72ac0...
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.