OpenTechnical

OT-2026-000044274

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000044274) never changes.

Identity and time

Publication numberOT-2026-000044274 · never reused
Internal UUID01a0ae7c-39d6-79a6-aa01-00d21a0d25de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044274
StatusPUBLIC

Content hashes

Canonical texta0557ed8f4c95ae5e014fa16091fdb12412cf0ba3a515a955cf8ec2cd44e96f9
Markdown0028c0b7d5f2062957c191fa85bf08c643bf48446bc1d3a4e1716769f5555277
PDF
Publication page8cc35739a2989c70b26cf86df38d2beb80e1e361df20efbc2d53931c5b7903ff
Manifest49255108ff51ee0e55b1e1e2a96459de56b8f5ef52a04aa6ee723572d893b009

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
Signature27D+uA9X/3Cm6BoMRdtenCxfE0H6sCzZb1oSzFIWeJhp9f1mXGtVBkhrvoudnjzHzl+SUMp7sFQhpX6zzqIYDQ==
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

2026-09-17T08:30:10.769508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044274
observed 8cc35739a2989c70b26cf86df38d2beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.746808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044274/manifest.json
observed 49255108ff51ee0e55b1e1e2a96459de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.724990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044274/publication.md
observed 0028c0b7d5f2062957c191fa85bf08c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.599029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044274/publication.txt
observed a0557ed8f4c95ae5e014fa16091fdb12...
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.