OpenTechnical

OT-2026-000049061

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049061) never changes.

Identity and time

Publication numberOT-2026-000049061 · never reused
Internal UUID01a0ae81-134d-7530-b669-30175d19feda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049061
StatusPUBLIC

Content hashes

Canonical text97cf4d979d6e1f6bfdffa48c50fe4226648e4d6d0948a36608de148d4c112c58
Markdownb5eb94477c274d5dd2a5f7b35242df68bf0f89f2a0fe146b10bf5ce1b3c13732
PDF
Publication page4f8cf808b60fbaea944caf460d528ec2aa3c15879fa1e05a0358862d8672e7b9
Manifest68e2d32c0c184d989ed7109b5894c4524fe45512be80754c84d5cb8bed884a01

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
Signature+iT06HX+m/SEV/6nY1iYWPVffS1+lDb1Iw5r5CKku6xq/1C0EyTWKiBLTYUWcZ6BSxR7TW8+e/rzF3gOgnjtAA==
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

2026-09-17T11:03:17.604294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049061
observed 4f8cf808b60fbaea944caf460d528ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.584970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049061/manifest.json
observed 68e2d32c0c184d989ed7109b5894c452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.567000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049061/publication.md
observed b5eb94477c274d5dd2a5f7b35242df68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.548129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049061/publication.txt
observed 97cf4d979d6e1f6bfdffa48c50fe4226...
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.