OpenTechnical

OT-2026-000061245

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer

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-2026-000061245) never changes.

Identity and time

Publication numberOT-2026-000061245 · never reused
Internal UUID01a0ae8b-1382-7d00-bcc7-98d5a7d57140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061245
StatusPUBLIC

Content hashes

Canonical textbaab681252a2d986710e4359c8d4d88a20846664f66c1cbca9290ac5131582d2
Markdown81fab4719a7179ec98f6161b792bd5bf0afc8b57f5d8ff25175b21d3ebe0f81e
PDF
Publication pagea788acd9806b962a9006c0086074f560fa7d972a6b9e0c672316308d80d019fe
Manifest8b967c10ad1a3a9b09abb48e35ff2711945bdcf52687c3c363a99827fa21e35d

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
SignatureaVBNBSIEcg/CKZnWrsCpOVkjDlyDeLwdOWNNpviNqjGese4/vYWlPLXmMmCSlGEXE0ChZo/G/JhohLC8XBa4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:39.514092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061245
observed a788acd9806b962a9006c0086074f560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.495698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061245/manifest.json
observed 8b967c10ad1a3a9b09abb48e35ff2711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.477601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061245/publication.md
observed 81fab4719a7179ec98f6161b792bd5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.458323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061245/publication.txt
observed baab681252a2d986710e4359c8d4d88a...
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.