OpenTechnical

OT-2026-000022681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000022681) never changes.

Identity and time

Publication numberOT-2026-000022681 · never reused
Internal UUID01a0ae70-46e9-7fb2-a70d-4fffd2e51988 · 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-2026-000022681
StatusPUBLIC

Content hashes

Canonical textfda1f30f224a0159e9b979b567df0de2d940bebeffea43017fd95ef2e9d6ea8e
Markdown64b925c7c5aecdfe6ec407e1e50d8c935b336925ac274d5713fff79301ad4eb2
PDF
Publication page01c40e6b67a7749908efeb2eb0b58c3b15a394ee0f04e4f162650c942d499453
Manifestc8bf207e17b71f226550c596e4e6be17cdde411226a14f41986003e1e1b3d94f

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
Signature7LxKtd/dTYpILZIDKYxQVdx/G0s9X38mNXrYYvFcFbuDidN8NWfHDFLrgbwIlpxdlii55I6uMo9ZyyNVs3bvBw==
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

2026-09-17T11:52:04.167640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022681
observed 01c40e6b67a7749908efeb2eb0b58c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.149613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022681/manifest.json
observed c8bf207e17b71f226550c596e4e6be17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.130437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022681/publication.md
observed 64b925c7c5aecdfe6ec407e1e50d8c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.110621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022681/publication.txt
observed fda1f30f224a0159e9b979b567df0de2...
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.