OpenTechnical

OT-2026-000018696

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018696) never changes.

Identity and time

Publication numberOT-2026-000018696 · never reused
Internal UUID01a0ae6e-d520-7556-8830-81d7c49cac86 · 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-2026-000018696
StatusPUBLIC

Content hashes

Canonical text91f3cb25b1973489f0cc80583a37c786d25e8ddd3cb26d01f8ae5a0033d1924f
Markdown8e6509831577dcd94a8a43087d52f584492422678c1a47b67d4526297551d2c2
PDF
Publication page978e0e860720f62213adf1d20a194d4f550d51d7f533b3a8e4a6c2333e6d2717
Manifestc5c72bddfa1294cccd7830a31b2d72693debc0335babadff8ed2d25db57a6942

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
SignatureEiLUYhfdqxWYyvGdD8LuLl/ugzdNSKootRh4ti+l36aDfmbT1aOjBhQOluw4KAcVbzmTu2kYh28b0F1n6rOpCQ==
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

2026-09-17T11:59:17.810827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018696
observed 978e0e860720f62213adf1d20a194d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.791132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018696/manifest.json
observed c5c72bddfa1294cccd7830a31b2d7269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.774722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018696/publication.md
observed 8e6509831577dcd94a8a43087d52f584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.757150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018696/publication.txt
observed 91f3cb25b1973489f0cc80583a37c786...
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.