OpenTechnical

OT-2026-000038805

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000038805) never changes.

Identity and time

Publication numberOT-2026-000038805 · never reused
Internal UUID01a0ae78-769f-79f1-9b27-8e3f0007f1ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038805
StatusPUBLIC

Content hashes

Canonical textd684d95a98ec482cb1076472d543f28fdc0b410ecd92e2babb1a4fdb9188d828
Markdown09150dba327f279455caf132c6241e88ebfe2c01b1b2ca273e5df1b4a388243a
PDF
Publication page9cb3705ea5ffe752dbae7a965b7ceb5644001e7d6d8924a1416c04dc7d536a40
Manifest52b3932ce78571a2a81e772b3ecdbdea230703a8db119285722248bf989281d6

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
SignatureJDNQtTq/Je+zMVr4D6y4QLF+XLP0lu0krWuco/WtpVGYFcOhinAUmsBOJzUdvu9MMidyyklQ1jnwW8eePCCwCQ==
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

2026-09-17T11:21:21.620775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038805
observed 9cb3705ea5ffe752dbae7a965b7ceb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.600757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038805/manifest.json
observed 52b3932ce78571a2a81e772b3ecdbdea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.585157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038805/publication.md
observed 09150dba327f279455caf132c6241e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.567247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038805/publication.txt
observed d684d95a98ec482cb1076472d543f28f...
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.