OpenTechnical

OT-2026-000025038

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025038) never changes.

Identity and time

Publication numberOT-2026-000025038 · never reused
Internal UUID01a0ae71-2728-73b8-b1fc-a99b4eea2e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025038
StatusPUBLIC

Content hashes

Canonical text24cbfc2047c1910c8fed3942c2fabff6f19002fc841ff40d9629769a0c1415d1
Markdownb1d418279c34f1a54e7c959242ea3812813670b5d6516ea462bdb5be1076b3be
PDF
Publication pagee1e02f28bd09fa494028e8f18cc4142a14c6c61e2e4a21d285cf025202de0dc2
Manifest4b7d572e3cc7ca295fe972659111dcb96f3080eb73f54df9b23b4c3aeb24520b

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
SignatureMo32i3ELuK9hMQukaX0aXzZrItVSsaua4gqWHTfg+YhJNzfVVt+wgLV7lomngglfO2XxaUSjHbSkV1ApsQXLBw==
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

2026-09-17T11:48:03.547061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025038
observed e1e02f28bd09fa494028e8f18cc4142a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:03.530043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025038/manifest.json
observed 4b7d572e3cc7ca295fe972659111dcb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:03.515092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025038/publication.md
observed b1d418279c34f1a54e7c959242ea3812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:03.496612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025038/publication.txt
observed 24cbfc2047c1910c8fed3942c2fabff6...
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.