OpenTechnical

OT-2026-000098985

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000098985) never changes.

Identity and time

Publication numberOT-2026-000098985 · never reused
Internal UUID01a0aea2-8287-7d43-bf2d-7ea9322fdb3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098985
StatusPUBLIC

Content hashes

Canonical text574c0daeeea18f85dcf0c3f9270c469d996f49f0d722a59756002fc8a8458748
Markdown3043389739654850f53ea2cf2cbc5c691f3cf45cfe110ea111e52f52f72d5209
PDF
Publication page13df89e64f321b8cf256d086d37b5c99af5df4875d8a7ec1bf938327e8030e9e
Manifestcca3ad94a9ae2430ad920d37cf2d6d9709cb2e133bfc3481780c28329673cea4

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
Signature3xP4VHIt/SVgeCnweDq3sF9JGDEuDjXsPN8qbsHYhm27oVjMj6U8ded67N7wZHDlmsyD1K71U5ivqxbUE05/Cw==
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

2026-09-17T09:30:04.012460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098985
observed 13df89e64f321b8cf256d086d37b5c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.994056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098985/manifest.json
observed cca3ad94a9ae2430ad920d37cf2d6d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.975733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098985/publication.md
observed 3043389739654850f53ea2cf2cbc5c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.957614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098985/publication.txt
observed 574c0daeeea18f85dcf0c3f9270c469d...
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.