OpenTechnical

OT-2026-000087443

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000087443) never changes.

Identity and time

Publication numberOT-2026-000087443 · never reused
Internal UUID01a0ae9a-cd50-7703-9ffc-299903c5c6ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087443
StatusPUBLIC

Content hashes

Canonical text26b7e468a0461d9bb8d11e100abf648fc9d48df6c03734bcfb5bed28b76eec60
Markdownb06f414d14a28cd2b0e7164425ee3faa8bf645e3abb4c548e4148cf82896e062
PDF
Publication pageac73cc8afa6eb95bb781d8418935abfaad274d2269eb9754548041a765b0556f
Manifest7b507645616a6e2a9293abb51392ed7c8ccaf70a5b62efdbbd32251fc985d1f7

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
Signaturec1hTtPObII8Nb/FVC/e8V5XS1Ipv0ncop2uF6nZixm++xwHJfcAGXKvAbT1WR4h5i3CFZaTdYxLHFv6oczdDBQ==
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

2026-09-17T09:50:33.837294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087443
observed ac73cc8afa6eb95bb781d8418935abfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.796539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087443/manifest.json
observed 7b507645616a6e2a9293abb51392ed7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.777282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087443/publication.md
observed b06f414d14a28cd2b0e7164425ee3faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.735453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087443/publication.txt
observed 26b7e468a0461d9bb8d11e100abf648f...
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.