OpenTechnical

OT-2026-000048399

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048399) never changes.

Identity and time

Publication numberOT-2026-000048399 · never reused
Internal UUID01a0ae80-4de4-780b-b321-13edc6f0904a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048399
StatusPUBLIC

Content hashes

Canonical text2a35b652fa85ef6b58c207873278e65712f6c2e69d759d8f18036821fdd60cdd
Markdown3505031ca8fe7e4d8002836e2c8d1005ca7d0604a4b79988776e6f1941f84ac8
PDF
Publication pageda5390f747e3ce20a553d034135a21c52074425ca71477e6e33a76ff58a709c2
Manifestd08c5d575be68bb5cc337036fa01b0ccf2694176df6442ae1ab38fe295997c2c

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
SignaturebtBSdYVH6/dEWaUAQDRSqSdHjS1N0QozfcltNBEqk1H6CIrHoie4SuQccdxEUm4ZEOGGJstU6jkuZsBxyqc2AQ==
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

2026-09-17T11:05:02.170004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048399
observed da5390f747e3ce20a553d034135a21c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.149769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048399/manifest.json
observed d08c5d575be68bb5cc337036fa01b0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.129910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048399/publication.md
observed 3505031ca8fe7e4d8002836e2c8d1005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.109201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048399/publication.txt
observed 2a35b652fa85ef6b58c207873278e657...
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.