OpenTechnical

OT-2026-000052919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000052919) never changes.

Identity and time

Publication numberOT-2026-000052919 · never reused
Internal UUID01a0ae84-a42f-7a53-a516-66ed8fa54a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052919
StatusPUBLIC

Content hashes

Canonical textbe4f0ba87d5469efe8b12c096069986dbc94618640d1c67f2621796245db335f
Markdown2d6c26466761987222c93870c01c96c465f82ad0500ef7fd55916e27bfe6e318
PDF
Publication page433cccf1cf637bc07b585bfe63ff60bd2cfa56ccda7183323e369d6aa170f6cc
Manifestdc6845f86ce6e715a47ebd92358dade423eb4aad75a355f87c3c4c0810c013c2

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
SignatureMQqF6swlCAMoxjW4XRAhxFJj2CEbELW0eIzo+Xf+TQ6Fuh2jBCVxadseW/bGN32+W2lu5DhicJXULcq47GclCw==
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

2026-09-17T10:56:33.923683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052919
observed 433cccf1cf637bc07b585bfe63ff60bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.905719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052919/manifest.json
observed dc6845f86ce6e715a47ebd92358dade4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.888178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052919/publication.md
observed 2d6c26466761987222c93870c01c96c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.869410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052919/publication.txt
observed be4f0ba87d5469efe8b12c096069986d...
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.