OpenTechnical

OT-2026-000047461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000047461) never changes.

Identity and time

Publication numberOT-2026-000047461 · never reused
Internal UUID01a0ae7f-3e58-74a3-97c3-c49f917e285d · 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-2026-000047461
StatusPUBLIC

Content hashes

Canonical textdb62c9a561c853ee9a2e2a32fb197907be1c566b18b085b052f7b18b7bc26862
Markdown4e5595abb2f9e9ffc964eadc2a4cddb109beff0dd9afe9c94d8ee86213c6d01c
PDF
Publication pagedd6cb6c1d9e3b4c6133383b2b0b770c4b45d97dc5e912436f4b2bf8c5d922e91
Manifestefdf9277e7f159dbe775d43b48cb8900b53b1271bc4a460c53c1f5c87706b227

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
SignatureSmMCSozRn3n/VHoymx0iPKIBrCEALbjnrHdmRkFK/6M5XjDDetm1+mCZDVjxgq4iVyp129gK/fAqT94+mB6EDQ==
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

2026-09-17T11:06:29.630973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047461
observed dd6cb6c1d9e3b4c6133383b2b0b770c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.611758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047461/manifest.json
observed efdf9277e7f159dbe775d43b48cb8900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.594114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047461/publication.md
observed 4e5595abb2f9e9ffc964eadc2a4cddb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.575526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047461/publication.txt
observed db62c9a561c853ee9a2e2a32fb197907...
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.