OpenTechnical

OT-2026-000048901

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000048901) never changes.

Identity and time

Publication numberOT-2026-000048901 · never reused
Internal UUID01a0ae81-134b-7e36-842b-9932a07dee11 · 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-2026-000048901
StatusPUBLIC

Content hashes

Canonical text81cf0b61bb55f89d9217e138aa2f1e18b50ee4e14ede5f6b6033f392d887cc2d
Markdownae150d078b4dd12070962682d4a3572a021f4a52808a414378293ed7939bfd9b
PDF
Publication page9d2982c33a8def7277329c6371af4813e7501c22143710f9548234ead79d35e2
Manifeste86b8287598b083b70d1eb127896354446338032e8f5456b54129836eb7f1f2a

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
Signaturej2lpbHJhdZHZNpJqlSO56oQjjEhw9Yw+bwjCRJvXCX0U7c9a9ulowNXkwkYeGdhMN9QAKaajb6RotECF2G/hCw==
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

2026-09-17T11:03:04.174303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048901
observed 9d2982c33a8def7277329c6371af4813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.155606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048901/manifest.json
observed e86b8287598b083b70d1eb1278963544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.136285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048901/publication.md
observed ae150d078b4dd12070962682d4a3572a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.116235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048901/publication.txt
observed 81cf0b61bb55f89d9217e138aa2f1e18...
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.