OpenTechnical

OT-2026-000015176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000015176) never changes.

Identity and time

Publication numberOT-2026-000015176 · never reused
Internal UUID01a0ae6d-ef47-7fce-a0f5-49549693b36d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015176
StatusPUBLIC

Content hashes

Canonical text5e076d729e717106f4fbb5f36b8e4309b4046916d8ddff9d1ce8fb067a175f72
Markdown96f67f50fe7433ba31f4a039fef0fe46f4fc9d666769a91368cb1cc9f0ccd724
PDF
Publication page1878d1873d958052780b90101923f6f0335e48eebe54bb5cd3701b742160f666
Manifest69a3f7c4ad00c022bdb57e7d6d50b055aad365ea4b8cdf1efbe3511ea635e011

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
SignatureaZfyECMOqTw16uaNY9veX3NNgCtrNPNEpusS87s1u5cHl7uGEV86O6q71dPD/4eoWnxVquyxCejwAeyRJKQ9Cw==
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

2026-09-17T12:05:47.841195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015176
observed 1878d1873d958052780b90101923f6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.819515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015176/manifest.json
observed 69a3f7c4ad00c022bdb57e7d6d50b055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.798019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015176/publication.md
observed 96f67f50fe7433ba31f4a039fef0fe46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.777885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015176/publication.txt
observed 5e076d729e717106f4fbb5f36b8e4309...
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.