OpenTechnical

OT-2026-000045921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000045921) never changes.

Identity and time

Publication numberOT-2026-000045921 · never reused
Internal UUID01a0ae7d-8f87-7a86-989c-c0f7f9756409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045921
StatusPUBLIC

Content hashes

Canonical textcb2f9e53e1e785b1211810a2bedbeaff03f108903ad0680969fcffc956d00cd9
Markdowna59f7b11951cabd53182ec88889fba0a13ef8d68d28b0a3a1a80dbb6e7239fbb
PDF
Publication page117b715101d59ff841f313dbd219a6536073295876c23c6c8c67f21490358aa4
Manifest6046845197aeeacfbb3d483005c58d55ea0e25ad7e4312c43de385411afeb93d

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
Signature3E8DmWDWoPZqzwQhLwszog56fqA/sp+NPKIKNdVOULyzWHlke83Hp3PK4a0u5i2+4sSrqOzJOxI+kH0J3RIcBg==
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

2026-09-17T11:09:49.535709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045921
observed 117b715101d59ff841f313dbd219a653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.516207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045921/manifest.json
observed 6046845197aeeacfbb3d483005c58d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.496659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045921/publication.md
observed a59f7b11951cabd53182ec88889fba0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.479301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045921/publication.txt
observed cb2f9e53e1e785b1211810a2bedbeaff...
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.