OpenTechnical

OT-2026-000079307

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079307) never changes.

Identity and time

Publication numberOT-2026-000079307 · never reused
Internal UUID01a0ae96-0b90-7886-a278-54ac8df317ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079307
StatusPUBLIC

Content hashes

Canonical textabfa3fbc43bf6a546091fb47a3b6ab5715fadf9c413e01066afe8b663dd31c73
Markdownd1d9ddd58a90f6b6d6397d5f8732638310b07bb91bd33f5200902c37b8bd6a17
PDF
Publication page42ff57befda95b38f8c4d3d2e8a6caf78686d9a91e5a968331765ceb0db533b0
Manifesta64aaabef23f1f916a07f1a8ebd1cffe01257eec54b9bbf63f1eb43948dfe745

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
SignatureKvBWHZpgONULbBHUGO1nUFiQn5V/g7PyShZoLnuYIOW6+sZZGhWOxi1KhlqaGtIZ3pCQpiMWl5ocWi6pgyGkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:55.095736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079307
observed 42ff57befda95b38f8c4d3d2e8a6caf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.078313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079307/manifest.json
observed a64aaabef23f1f916a07f1a8ebd1cffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.058988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079307/publication.md
observed d1d9ddd58a90f6b6d6397d5f87326383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.042301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079307/publication.txt
observed abfa3fbc43bf6a546091fb47a3b6ab57...
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.