OpenTechnical

OT-2026-000021845

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000021845) never changes.

Identity and time

Publication numberOT-2026-000021845 · never reused
Internal UUID01a0ae6f-bb5a-76ea-91c2-d22feef6b70e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021845
StatusPUBLIC

Content hashes

Canonical text2196af1e76a38f66e2b1f57dd9becd058d928dac638c7b33e5f39e2b36fdc684
Markdowndbf6cef262ba2a761b88d0a51429f885936245c3e1f2b499ccf44bc2213184c6
PDF
Publication page27374abe1ee0447fd97226d25411c332f005f0b9bc1a48e44df997c591d431a6
Manifestf92665ae9ccea8ab773b4ec049620f7d22cdf25cbfa72b2d025b53442ff7d879

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
Signaturez/KjCcVyj5dLG0q+qJEsgL9EkeS62cEab7m12/g3fbQktBxT6+mDYArhF8dQ4E/5ewTHQzS7OJ4C4D/vJL1lDQ==
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

2026-09-17T11:54:24.297794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021845
observed 27374abe1ee0447fd97226d25411c332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:24.279131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021845/manifest.json
observed f92665ae9ccea8ab773b4ec049620f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:24.260651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021845/publication.md
observed dbf6cef262ba2a761b88d0a51429f885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:24.242490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021845/publication.txt
observed 2196af1e76a38f66e2b1f57dd9becd05...
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.