OpenTechnical

OT-2026-000020832

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000020832) never changes.

Identity and time

Publication numberOT-2026-000020832 · never reused
Internal UUID01a0ae6f-65e3-7b25-afd1-a6f17fc62c23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020832
StatusPUBLIC

Content hashes

Canonical textdb785969df48ea394a1650c6e162eb2b85dcece0a87b51e5c8679b07df2fc10e
Markdown38340ccbbe3171d6b488c34bbc698be6afc234238693afb36ca909d98468d6f3
PDF
Publication pageee0754e2559a27e2f239752552ed09223d0ff70801ad154b269ab520beec255e
Manifest7c9bfb725b7656e86d5e1f80545634cc60a5fe923e0e85a987b3d3b166f8d484

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
SignatureZDBG/vCW0xDyWH9I23j+fuGyFBFAme6gOGvxeCQofwZytgkVkXjtIHC/hD1JV/5LmXdF+S/nOpg7rYUqqvXJAA==
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

2026-09-17T11:55:55.642868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020832
observed ee0754e2559a27e2f239752552ed0922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.625441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020832/manifest.json
observed 7c9bfb725b7656e86d5e1f80545634cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.607351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020832/publication.md
observed 38340ccbbe3171d6b488c34bbc698be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.590330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020832/publication.txt
observed db785969df48ea394a1650c6e162eb2b...
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.