OpenTechnical

OT-2026-000070229

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000070229) never changes.

Identity and time

Publication numberOT-2026-000070229 · never reused
Internal UUID01a0ae91-545e-789d-b80e-997ba425f5d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070229
StatusPUBLIC

Content hashes

Canonical text0020e148c0366e505fa84f9f472ac9b9d9bafeabbc6575861686d5f5d68d3cf1
Markdown31ed851aa758d4beefd6f9d527b0ceb0875bfb54f77662671917cf95512a7fec
PDF
Publication page611a144498a7554b05e013a1d0e23a2264464ebbc148a137d5a5c4e4ba3e3ef8
Manifestc8c97c01debb89d4f788e5b6748450a710e51d311243805562993c10e9fa4949

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
SignatureXmkNdZle+Qd4KODmS01Um0zRYfG81+CxYH28xktBvymOAex65IFh9+pUR+0hs/Sk4HUzAUJ/U9VgYyiR5khGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:00.030420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070229
observed 611a144498a7554b05e013a1d0e23a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.012015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070229/manifest.json
observed c8c97c01debb89d4f788e5b6748450a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.991885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070229/publication.md
observed 31ed851aa758d4beefd6f9d527b0ceb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.973682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070229/publication.txt
observed 0020e148c0366e505fa84f9f472ac9b9...
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.