OpenTechnical

OT-2026-000047598

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047598) never changes.

Identity and time

Publication numberOT-2026-000047598 · never reused
Internal UUID01a0ae7f-3e59-72a7-b84e-5a7392c8eb5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047598
StatusPUBLIC

Content hashes

Canonical text116c92efaeaeaddf57f5bc83c0c38677fc6892b69f6f2d544f19364de84e963c
Markdown4de69b54b58ed7779237c886336dd4b47fa23687517ae841881a2c28763fc29d
PDF
Publication page4bb75d82545ff6f21cf0859e82f9b93ac0c4f63faa654c985e941a16da479601
Manifest58c9ea9a0cf7a6d496c0f2d1e9d6c6804d3663d79f9e6dad3abc065d27d9cb92

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
SignatureDEZALGt33Ev+iNmd24WJJRhVI++U8v4V2ood1HLk89KtfoTcNht2ZPNGV7Cwk023c8ID/DW1RDkJTBIrJIeqDQ==
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

2026-09-17T11:06:44.070689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047598
observed 4bb75d82545ff6f21cf0859e82f9b93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.054601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047598/manifest.json
observed 58c9ea9a0cf7a6d496c0f2d1e9d6c680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.036269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047598/publication.md
observed 4de69b54b58ed7779237c886336dd4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.016643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047598/publication.txt
observed 116c92efaeaeaddf57f5bc83c0c38677...
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.