OpenTechnical

OT-2026-000104472

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off 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-2026-000104472) never changes.

Identity and time

Publication numberOT-2026-000104472 · never reused
Internal UUID01a0aea5-3421-7f50-af8f-75515ea8dce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104472
StatusPUBLIC

Content hashes

Canonical text29232c42de2290917b1b244f28d59e28ae08f0abf2aa9f9f517c4bd7d133982f
Markdown2629b534e3aa3c64194fc7afed7fcc647adc1ef78806fe38f7c634edcc79bb35
PDF
Publication pageb3158d73e3f0919107766e2ddd41a7276389a83fcf7bd76cf5c40c141827fbd1
Manifest63620bf2e4efaa981a0f60af7a18280a9f7b77fd00352d5ec0208d6918cb7d50

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
SignaturedwN/w6nknDEEzvMjfMZFpwYqklP/i4asQoUMTLA1CnIKn6UZ45eK1krP3QC+T1k3VbbRr7Cepw98/5mhCt9fDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:45.425320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104472
observed b3158d73e3f0919107766e2ddd41a727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.407314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104472/manifest.json
observed 63620bf2e4efaa981a0f60af7a18280a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.387797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104472/publication.md
observed 2629b534e3aa3c64194fc7afed7fcc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:45.369370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104472/publication.txt
observed 29232c42de2290917b1b244f28d59e28...
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.