OpenTechnical

OT-2026-000055902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before 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-2026-000055902) never changes.

Identity and time

Publication numberOT-2026-000055902 · never reused
Internal UUID01a0ae87-0a4a-7987-b27b-38922ff26765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055902
StatusPUBLIC

Content hashes

Canonical text92c48f6b09340f6f7c98aafcb9bd955d61cba3d3e3d7f52054a33fa384527d64
Markdown03adf48f3459274be902f35bd992b164c923cd3d79217f36143a7f6de341d6c0
PDF
Publication page94a0ccd85d7e73f5a03822becbc5294ef27ce5b8f52ffa2b6eb5bc8ea92388b3
Manifest4e94448bfea9b6b76479b62d8a57f7b2807c8ea35e556bb218a8f3a98d3454f0

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
SignaturebILUFlRy2xAGzCd2tJsQlJFxUugvs38F96tbOhs++8Vl1Em41y3ygv29L0KieYo6dczy4/GmWaUm8yN21guxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:24.270706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055902
observed 94a0ccd85d7e73f5a03822becbc5294e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.252574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055902/manifest.json
observed 4e94448bfea9b6b76479b62d8a57f7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.233470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055902/publication.md
observed 03adf48f3459274be902f35bd992b164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.215490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055902/publication.txt
observed 92c48f6b09340f6f7c98aafcb9bd955d...
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.