OpenTechnical

OT-2026-000048878

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000048878) never changes.

Identity and time

Publication numberOT-2026-000048878 · never reused
Internal UUID01a0ae81-134b-7724-a3bc-87c81960e880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048878
StatusPUBLIC

Content hashes

Canonical text609ae48c331f301677ff3089f0f979b30aaef02becd905c8766d114007feb49b
Markdowne1d2b75b8f921cae5bc7400c129b4eb3e1b1346214f3ff6bb85453cc4894fa32
PDF
Publication page4dfbae4270ef22a829a0b67daba5b23d64a56ce9b5a321dccc7c14178c87cf90
Manifest4ca50072bef46c03513cacbb18766997607279c362c5906154ca8ec00d5942a6

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
SignatureP7WceKZRe+uBo5HellHdTMCPQTvoS4GYFA2QzD3JplwLQ3DC/Yr0fi6085zE5LU7wWhcdoFj4eKESZ489ovtCw==
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

2026-09-17T11:03:02.109078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048878
observed 4dfbae4270ef22a829a0b67daba5b23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.091961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048878/manifest.json
observed 4ca50072bef46c03513cacbb18766997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.073368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048878/publication.md
observed e1d2b75b8f921cae5bc7400c129b4eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.054652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048878/publication.txt
observed 609ae48c331f301677ff3089f0f979b3...
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.