OpenTechnical

OT-2026-000100978

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100978) never changes.

Identity and time

Publication numberOT-2026-000100978 · never reused
Internal UUID01a0aea3-c377-7d84-aae3-dd62c7328b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100978
StatusPUBLIC

Content hashes

Canonical textc7c1d3b575c685a05c62799d9fb28f68c43e5e5b1a549435bbe83cdecf59eb5e
Markdowndae64b9b7df5dfd8af741ec49b19afec870c8c0ec7ec48062efebafe8bdba4e9
PDF
Publication page19bfb779a5675f6f9efea0e9e235bb87dc3ffc00a63188f78ef7ecd7ce3c7f6d
Manifest9f92d85982f2125594eda3072027449741f051c87d56ec30872919cefae850fa

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
SignatureT7HDgbpxN1xEDR6MQIGbr+HHirWbJArDUchrKS/nPL6f9b/NehZeCldVDXx59+3b2U4CZcKdo3RE5CC4XS+OBg==
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

2026-09-17T09:26:34.256466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100978
observed 19bfb779a5675f6f9efea0e9e235bb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.237486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100978/manifest.json
observed 9f92d85982f2125594eda30720274497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.218113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100978/publication.md
observed dae64b9b7df5dfd8af741ec49b19afec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.200150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100978/publication.txt
observed c7c1d3b575c685a05c62799d9fb28f68...
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.