OpenTechnical

OT-2026-000018769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000018769) never changes.

Identity and time

Publication numberOT-2026-000018769 · never reused
Internal UUID01a0ae6e-d521-7694-82d5-65684e9a08ea · 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-2026-000018769
StatusPUBLIC

Content hashes

Canonical text0b0c7d18611bf75330f51e8aa68f2453659d4c18388804498b3b6ba34b5baf7b
Markdown9725fbf2bf6333ddab2fcabdfea56994cec35b64ee2095e8e6fa796bd71064b9
PDF
Publication page3350b5b6d0dcbf4692c93d22cfb922dd348aa807ee3978edb5835b655e9109e9
Manifest0b00d2ea2f6cd5e08b9c6fdafcfdd19392c7f47ddaca4b7e8c113c89790af7eb

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
SignatureWgfkC4ROjHDt2yLyr39FFX0Xg/vmYe8WdWQmx+HHQ2rAR29OK+MZblsxb9R/fyVZd5he1jkYEYeJdY6yMuIbBA==
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

2026-09-17T11:59:23.384420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018769
observed 3350b5b6d0dcbf4692c93d22cfb922dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.366330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018769/manifest.json
observed 0b00d2ea2f6cd5e08b9c6fdafcfdd193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.348803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018769/publication.md
observed 9725fbf2bf6333ddab2fcabdfea56994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.330232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018769/publication.txt
observed 0b0c7d18611bf75330f51e8aa68f2453...
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.