OpenTechnical

OT-2026-000043872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000043872) never changes.

Identity and time

Publication numberOT-2026-000043872 · never reused
Internal UUID01a0ae7b-d677-7b80-ad50-6bf162ecd121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043872
StatusPUBLIC

Content hashes

Canonical text8c49e65eb75d9bcf4fc515b4270a41e45b27dff57dd0c451b27bd307439efebc
Markdown2858be7cc507be74ac1a72b129bbe20d26daf8c12ac2450b0d2aa9a71b065054
PDF
Publication pagebecad6ef6cafa36a16eceb07d84acbf0fdf466c89465de383770486d150757f1
Manifest62699cccb6645d52295845ce1de911e121b3a999af8c63c326ed43657b2f785d

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
SignatureGPpIPBqfTCornykhtih9iNCzBPR12qBJ8t5Jioy4cYuLyI0J2PaZP9panveypQ23n9jinVZkl32SVI5kZeuuAQ==
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

2026-09-17T11:12:11.820041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043872
observed becad6ef6cafa36a16eceb07d84acbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.800361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043872/manifest.json
observed 62699cccb6645d52295845ce1de911e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.780441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043872/publication.md
observed 2858be7cc507be74ac1a72b129bbe20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.761967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043872/publication.txt
observed 8c49e65eb75d9bcf4fc515b4270a41e4...
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.