OpenTechnical

OT-2026-000023522

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000023522) never changes.

Identity and time

Publication numberOT-2026-000023522 · never reused
Internal UUID01a0ae70-7269-7a62-9bb7-7f6497fcc96b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023522
StatusPUBLIC

Content hashes

Canonical texteb586404afd15d07236437d7ca7a4f07c9aa883af9313f5bf1321dcf9f68fc8c
Markdownae49ba7bd2dc48649a66aff9a0625c13fc942a73253691b4ab426eed75fcb803
PDF
Publication pagea629edd6801838fa89fc915de9b7e4549e7ff3aec7b4ec4323fdcade1576cef9
Manifest177b39499309ff59598b35c8ad73548f78877bb7db595545752fd08f0b96bab0

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
SignaturedCWzZfHc1pVIgxd0LzmkktNNpKT6pwYlD+kPQMhOgDdOOHwJc3RX0hDX2f7MdESPZ8+DVySCQIBnYmDXvZv1Aw==
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

2026-09-17T11:51:45.816269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023522
observed a629edd6801838fa89fc915de9b7e454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.797088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023522/manifest.json
observed 177b39499309ff59598b35c8ad73548f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.777536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023522/publication.md
observed ae49ba7bd2dc48649a66aff9a0625c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.757041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023522/publication.txt
observed eb586404afd15d07236437d7ca7a4f07...
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.