OpenTechnical

OT-2026-000099015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000099015) never changes.

Identity and time

Publication numberOT-2026-000099015 · never reused
Internal UUID01a0aea2-8287-7395-a8af-6d5e2d90bbdf · 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-2026-000099015
StatusPUBLIC

Content hashes

Canonical textc8bcf52e6a0863d80c89d397ed8acf1a8f9193f2817bcf715af502647d73f134
Markdown975006d022c57b7d64a6902f22b4e524c1757ba26b16861f3d0c20fe3e576995
PDF
Publication pagee483d70f1c8173931104d2cac6414836b818e930ab9f6868bbc6651599557a77
Manifest7ee4457d2e45566b71e5607f4b4ed9992c9dc9bb65adb2c80a85b0e93e824166

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
SignaturexZnU86fqitmEXKkz1fIXBiPYqG6l3nQ49Ypmgif1jnciS6qimoi/x+ct402Kw6aeryN0nKdKBu/W0VwpbJpFDw==
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

2026-09-17T09:30:06.178080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099015
observed e483d70f1c8173931104d2cac6414836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.160446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099015/manifest.json
observed 7ee4457d2e45566b71e5607f4b4ed999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.142279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099015/publication.md
observed 975006d022c57b7d64a6902f22b4e524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.123650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099015/publication.txt
observed c8bcf52e6a0863d80c89d397ed8acf1a...
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.