OpenTechnical

OT-2026-000050402

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000050402) never changes.

Identity and time

Publication numberOT-2026-000050402 · never reused
Internal UUID01a0ae82-5c48-73a9-be30-f74f04e94044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050402
StatusPUBLIC

Content hashes

Canonical textf27f0552841321783622685911c4d224994eccc71c720c9df628ea768f655a31
Markdown914fab5851cd9ca52913ce6ca59d197d627d5259c9a37b9f523ecb9b2087a0d7
PDF
Publication page32196071b9000b215821cc84316d6da3e9ee0c87aec7db7a236b02327d73f6a6
Manifest1c44e59445e6e8d6ca3738010cb425b8ce4cba5b02a9f8555419e8125b60098c

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
Signaturerd5X/zluBFTj7YXVj3XAQZdnT2zGeQab0F4tj3WstKDh++bRhkmat+KzOpGuUJkO1stK/FBK0py8CWhMCSIsDg==
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

2026-09-17T11:01:26.631101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050402
observed 32196071b9000b215821cc84316d6da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.613801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050402/manifest.json
observed 1c44e59445e6e8d6ca3738010cb425b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.596361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050402/publication.md
observed 914fab5851cd9ca52913ce6ca59d197d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.578789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050402/publication.txt
observed f27f0552841321783622685911c4d224...
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.