OpenTechnical

OT-2026-000018617

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000018617) never changes.

Identity and time

Publication numberOT-2026-000018617 · never reused
Internal UUID01a0ae6e-d520-73a0-812a-8ec253b417c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018617
StatusPUBLIC

Content hashes

Canonical textd384660cada9792bc5170e8dd3dc9518994273c4ba5faa829c7b2263b26e5574
Markdowne670d55159099eafdb02d520fdc0068a81e25c969219d89efb4e55a9e9beba9b
PDF
Publication page545010e7ac248ab5ad482c8e48ab1f8704d77901c9c1ecd2609abc8c3350fdb8
Manifest9370019e62cc25d151ffa56dbd4af0132b617e8c4834765f87b2fab16f8d81f1

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
SignaturebKJJpKtPcBoVR+m40WpYDhX9FUnYvoWeT+LWixVpIcGDhiJpF1ztUNueOL1+aCuW9SyR0o30rkEa8BThOKITAQ==
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

2026-09-17T11:59:06.832485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018617
observed 545010e7ac248ab5ad482c8e48ab1f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.814062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018617/manifest.json
observed 9370019e62cc25d151ffa56dbd4af013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.796023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018617/publication.md
observed e670d55159099eafdb02d520fdc0068a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.776731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018617/publication.txt
observed d384660cada9792bc5170e8dd3dc9518...
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.