OpenTechnical

OT-2026-000038171

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038171) never changes.

Identity and time

Publication numberOT-2026-000038171 · never reused
Internal UUID01a0ae78-2d50-77b2-8e7f-8612f0fa61c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038171
StatusPUBLIC

Content hashes

Canonical textd9b871a8a396f926b3c68d606ea8af3deddd1935619ae5ecd732c1a30536dc22
Markdown78902cfb0f190013bbee63ccbca5fc407deebe8a649d4f0047ca480bc98724f1
PDF
Publication page6904edf5e1ecc024dc8ba2090f3953697e4bb822f3f77305cdf73d8656b77880
Manifestfbba41070c238a4efe6a57e1d31108c2207d445b2e8099fc1e7e01d21dfee69b

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
SignatureXVq0LlR508T8Bfac/0Q9uMqUfumZ4CQK8skxOyd7UHK4PajnquPiEtMOg5eqeOIUen421lRhM77mfHKmByZyBQ==
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

2026-09-17T11:22:17.599377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038171
observed 6904edf5e1ecc024dc8ba2090f395369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:17.579731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038171/manifest.json
observed fbba41070c238a4efe6a57e1d31108c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:17.561495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038171/publication.md
observed 78902cfb0f190013bbee63ccbca5fc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:17.541756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038171/publication.txt
observed d9b871a8a396f926b3c68d606ea8af3d...
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.