OpenTechnical

OT-2026-000022929

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off before 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-2026-000022929) never changes.

Identity and time

Publication numberOT-2026-000022929 · never reused
Internal UUID01a0ae70-46eb-70fd-888a-6d18e91abbb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022929
StatusPUBLIC

Content hashes

Canonical text0d5c28a756f19f55e6a9aca844ee6f47cca040da5be26d26bfa4cc0a6c879072
Markdown689457ad95650866a9b8f7bcf905f9fe76a1c16e8fc24e898d062b604e68617f
PDF
Publication page6d33fc879293cc3899a381ed5e14f8dca18da4a9beb954dc08f90cef18450542
Manifestbcda6aa04502625834208cfef043930f975423e9e96802d2b2504677f1361cff

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
SignatureUyh7rpNv099qt2NFVJCDhmXr0dEpz4ap260Fi8VP/AYzqe+Aa+63rD2feSZvXmboXTqyeoTAV7JZ5zQYdif9CA==
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

2026-09-17T11:52:30.501816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022929
observed 6d33fc879293cc3899a381ed5e14f8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.483020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022929/manifest.json
observed bcda6aa04502625834208cfef043930f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.463747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022929/publication.md
observed 689457ad95650866a9b8f7bcf905f9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.443495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022929/publication.txt
observed 0d5c28a756f19f55e6a9aca844ee6f47...
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.