OpenTechnical

OT-2026-000004474

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, pressure verified at each zone

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-2026-000004474) never changes.

Identity and time

Publication numberOT-2026-000004474 · never reused
Internal UUID01a0a919-3fd6-7647-846f-49cd3cee571d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:23:19.384995Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004474
StatusPUBLIC

Content hashes

Canonical texte2abd478ee46c6551d8a8df237120116c162575e3c26412a489c20cc2e8f6356
Markdownf634803f1c107ab25f6faae146b7efc02fae075ee37329321bf636ad25c31587
PDF
Publication pageb94e81c2fde6f884111c0c417bd9cb378715e9a3020dc19109deb55028239f87
Manifestb0d5e078f62b6fa80b3d46a41f16a604bdb2bdf26eb77f63d59279f21346aa8c

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
SignatureRmUUZ9xLYvDNfHdomS2XhOyTC0NAUBtV79nP6iB8+RDUNKlVOhs6xaepLIerUTy/Pl8aMoo0eo5izKz3uBHmBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:23.658449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004474
observed b94e81c2fde6f884111c0c417bd9cb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:23.646302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004474/manifest.json
observed b0d5e078f62b6fa80b3d46a41f16a604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:23.635060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004474/publication.md
observed f634803f1c107ab25f6faae146b7efc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:23.622699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004474/publication.txt
observed e2abd478ee46c6551d8a8df237120116...
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.