OpenTechnical

OT-2026-000034669

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034669) never changes.

Identity and time

Publication numberOT-2026-000034669 · never reused
Internal UUID01a0ae76-1ed1-7204-ab96-aa20b5353773 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034669
StatusPUBLIC

Content hashes

Canonical text5060c0d867e5fbab43858c2f0288641bfe00b17761050e414504fbe35d9f8f04
Markdowndfbd5b67ab46b1319e9bd5589311f3a422cd817ae6da578ca1516fad7d3fbd5d
PDF
Publication page13340c274b01e2f4733148157775d9374bab9400be39b7a96b15e496e16ffe31
Manifest202c9c524e89d0ea187e2b4d0f4c7fc4942e8e0e9e1373ac17bb3b2764df36b6

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
SignatureSzlXo6fKrf0IDfjsoe7pG+SgpDYConIcZfJlh/HdfV4/Hgyfkt7wzPY+aap8iGnv8O/kmUAx54fe4a/xOWlhBA==
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

2026-09-17T11:29:03.917596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034669
observed 13340c274b01e2f4733148157775d937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.895579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034669/manifest.json
observed 202c9c524e89d0ea187e2b4d0f4c7fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.875767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034669/publication.md
observed dfbd5b67ab46b1319e9bd5589311f3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.848381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034669/publication.txt
observed 5060c0d867e5fbab43858c2f0288641b...
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.