OpenTechnical

OT-2026-000038901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000038901) never changes.

Identity and time

Publication numberOT-2026-000038901 · never reused
Internal UUID01a0ae78-769f-7800-8ef0-eb40b740ee2f · 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-2026-000038901
StatusPUBLIC

Content hashes

Canonical textacfa9bb54d671d3e7dc3f83458a3013c726781efe8fdbd75c2721b04428351b4
Markdown56c837e11bffa6a10a993908a8ea4b56b1580586264b6a9d16d5aeaa92d10ba1
PDF
Publication page2f7ae0815173b66c673c727b6e2b13cf4ea2b59902d495b45cfff0ca2280df06
Manifestf7885e9259449ad9a291b9938e67d24fde060fa9fe0722dce7bade388b565e5e

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
Signature3Kwt4LXUKt6ct0R1mRhWYeyQ6hBnql2N9q3tqrTQaj811i7raLgfmrbITCM9P1Iyb+RXulmaWsZl2VHiUPRbAw==
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

2026-09-17T11:21:34.268050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038901
observed 2f7ae0815173b66c673c727b6e2b13cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.250092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038901/manifest.json
observed f7885e9259449ad9a291b9938e67d24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.232053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038901/publication.md
observed 56c837e11bffa6a10a993908a8ea4b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.213763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038901/publication.txt
observed acfa9bb54d671d3e7dc3f83458a3013c...
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.