OpenTechnical

OT-2026-000016669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000016669) never changes.

Identity and time

Publication numberOT-2026-000016669 · never reused
Internal UUID01a0ae6e-5918-7626-b569-503eea451ba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016669
StatusPUBLIC

Content hashes

Canonical text4351ac68b9d93000dff5b62976408b27255bc62b0e26b2b6f15d62ffcb352e4e
Markdown0c3c3bc57efdac6abd076dfbfce2f25105e52582d6bb79e45d7a6825eacc137c
PDF
Publication pagecde23d37ac00075b4421bb1b2135f31b23258859587938f994f5c797f26d4ff4
Manifest574319c7e8f3bf8fea8acdf98e8f24b18b9ac954d8a673719392f5436953af92

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
SignatureWmmunC9/Lqr4+WhOTfRPKRUiA/2CATmFBpCTbr2Sv0a5kJ0vBROGHC7hky2n2bhsTxgR+J/+UStouA94eqiYDg==
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

2026-09-17T12:02:53.096583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016669
observed cde23d37ac00075b4421bb1b2135f31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.078628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016669/manifest.json
observed 574319c7e8f3bf8fea8acdf98e8f24b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.060571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016669/publication.md
observed 0c3c3bc57efdac6abd076dfbfce2f251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.044033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016669/publication.txt
observed 4351ac68b9d93000dff5b62976408b27...
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.