OpenTechnical

OT-2026-000073121

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000073121) never changes.

Identity and time

Publication numberOT-2026-000073121 · never reused
Internal UUID01a0ae92-efb5-7170-a9cd-e3f0aa361f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073121
StatusPUBLIC

Content hashes

Canonical textcfb220792b34a34a7542b679a2c181b30a2da1b6a0a5ae6ff05d99cd55cd0bf3
Markdown6022520b50e4fc2c8a9f0cf8f5ca03d93f1f656bf5e6292d92ca44f5b5ca1a14
PDF
Publication pagecba6417cde0b95e029a68c291dbd81462053dc1f8303b36e1950be282ea95701
Manifest605baa972b3ebf013437ec8eaf9ccf94d29d4b444a64e2eb5745e6bda3bc1f32

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
SignaturesiZP0pr654qMteg3yhAuuIN0F743ugcX8A0gBa429iVA/0hvAIg6gkvpgGAGM1Ebt1Y8bp4ee9sk+TG+r7SRCw==
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

2026-09-17T10:21:03.100660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073121
observed cba6417cde0b95e029a68c291dbd8146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.081758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073121/manifest.json
observed 605baa972b3ebf013437ec8eaf9ccf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.063882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073121/publication.md
observed 6022520b50e4fc2c8a9f0cf8f5ca03d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.046220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073121/publication.txt
observed cfb220792b34a34a7542b679a2c181b3...
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.