OpenTechnical

OT-2026-000037217

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000037217) never changes.

Identity and time

Publication numberOT-2026-000037217 · never reused
Internal UUID01a0ae77-7741-79d8-b1a2-40b56b9855b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037217
StatusPUBLIC

Content hashes

Canonical textec601358962dde3af76c4f7c06c2859e2f7ed94341538f616c39e840593085da
Markdown495dc3011808b3866c59bc5523c5717275b3d2f1400be82fa4e9e3ee29e5f233
PDF
Publication page4201fe38e4c7017fa3d46632e73b976979e02e854420d9d9d06c2a8b449bfb82
Manifestccb430b5c28004f81a55190ac919ab430082ea04ab5190a27f2c35d3659ca64c

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
Signature/ZHIBrOoKvrY/n4lkhr3OOn207sQSFORknoqmu3TqvYfvSOJpBtiR3l576n2lnWPfEGV/DtKgZGOC02Nw5ZYAQ==
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

2026-09-17T11:25:06.472139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037217
observed 4201fe38e4c7017fa3d46632e73b9769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.455661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037217/manifest.json
observed ccb430b5c28004f81a55190ac919ab43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.439984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037217/publication.md
observed 495dc3011808b3866c59bc5523c57172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.424695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037217/publication.txt
observed ec601358962dde3af76c4f7c06c2859e...
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.