OpenTechnical

OT-2026-000050394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000050394) never changes.

Identity and time

Publication numberOT-2026-000050394 · never reused
Internal UUID01a0ae82-5c48-7906-b533-4d6ceff6076a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050394
StatusPUBLIC

Content hashes

Canonical texta987e56ab60065beb1b49dce1f8d22a8d37568dec9a6578b341884bf19e2ca5a
Markdowndfaec04342d60a4a5a7babbc21b494eb4c38865852b3764823ea7ec41170fa89
PDF
Publication page254e0faa9fd99b504c44eb888808508acb9ecaf5cd67bac2f906e136a1a7228d
Manifestd259e084418a3ab9a35817a3c6e040576ab1bc29bff53886007c3af948421a85

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
SignatureOPOI+0w+vCONCBGwfna2y4y6sIYvstYiT7T0blX/s75Yx6zOBgsHhsoAFGOeDfo/5bZtozKPZzLCfOgjE4e2DQ==
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

2026-09-17T11:01:26.070448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050394
observed 254e0faa9fd99b504c44eb888808508a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.055530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050394/manifest.json
observed d259e084418a3ab9a35817a3c6e04057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.034629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050394/publication.md
observed dfaec04342d60a4a5a7babbc21b494eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.015976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050394/publication.txt
observed a987e56ab60065beb1b49dce1f8d22a8...
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.