OpenTechnical

OT-2026-000018445

Publication integrity record

Two cup vacuum gripper, two 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-2026-000018445) never changes.

Identity and time

Publication numberOT-2026-000018445 · never reused
Internal UUID01a0ae6e-b48a-7638-bf3a-77fb41fede4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018445
StatusPUBLIC

Content hashes

Canonical texta0d5bd0d31f8fd1d12e8f59d963b6909df14d8db4e36aca035afbeb0d51ceb37
Markdown654ce7928d9191f494f0b100172405106d5d5a7e6783a4ad385c3647fecc9209
PDF
Publication page4a04f774c4b57c511261019361c0e0930ed3811a7e8e28ad5aa9c5949996aa79
Manifest1502eaaabcf98ed09a6c18df1e7d894135dbab798ffc11328bd48f88f6b456c8

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
SignatureXz9FiRcu7ZiNEfZLQnW1zUovkl/XcbAmlNCskHGUlYskhwhRm1Fu3DT/yt/MgzVv0VIk3rFaJ6VVlvbrH5i8Dw==
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

2026-09-17T12:01:11.973847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018445
observed 4a04f774c4b57c511261019361c0e093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.955558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018445/manifest.json
observed 1502eaaabcf98ed09a6c18df1e7d8941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.938003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018445/publication.md
observed 654ce7928d9191f494f0b10017240510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.920546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018445/publication.txt
observed a0d5bd0d31f8fd1d12e8f59d963b6909...
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.