OpenTechnical

OT-2026-000054839

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000054839) never changes.

Identity and time

Publication numberOT-2026-000054839 · never reused
Internal UUID01a0ae86-1285-7cf6-97eb-bbd5a6fafeda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054839
StatusPUBLIC

Content hashes

Canonical text404be9f18d6f6bc139579e928e6bacf970a61a31a34e4fda884e8a5cfed29d6a
Markdowneb97e452fefa936e24933869fabb6ca30d9339646e20a1d609d759b0d5b0d6bb
PDF
Publication pagea448b800de38776cedd255d1751d7670c0b246918e1531f214a35ae8be101f87
Manifest62637f1ea2de6bd7b694513a6cf3dd6ac8d2b830cfdb057af240e0102ccdf5ea

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
SignatureNAseAlb94cLD73maImOMKrCRbN4anttGyCPGEdSRAZ2hZCcE4EpB2v53OwUXgfWyTUNVpeIiEiiVxD3Fb8IdBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:03.131674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054839
observed a448b800de38776cedd255d1751d7670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.111812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054839/manifest.json
observed 62637f1ea2de6bd7b694513a6cf3dd6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.092761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054839/publication.md
observed eb97e452fefa936e24933869fabb6ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.074248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054839/publication.txt
observed 404be9f18d6f6bc139579e928e6bacf9...
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.