OpenTechnical

OT-2026-000099114

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099114) never changes.

Identity and time

Publication numberOT-2026-000099114 · never reused
Internal UUID01a0aea2-8287-73d4-874c-e145b3f4d819 · 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-2026-000099114
StatusPUBLIC

Content hashes

Canonical text572fa0221f05398c48c9dfbc9cf07b3426d4bade16b5e928588250a0e05cb8be
Markdownb2b0633522230d206d7d1ebee3191eb7c3bbf4b78db2ff083a750c3afba711ff
PDF
Publication page3a5c462057793f8b43d66fffadc8c91452ddf301b68e501f3e469664a03eaf1a
Manifeste0a036df34acd7d81936ec3da45c6ba10683695d37f7703fcc23750d11a3e010

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
SignatureGFD/TwVo8FKGRXl6dsoXNScbSmsOYKFMKEsOq2yGZ0JI0uCBggCyG/Uuj1sy21gYjgxdC0TaPye/9R5T/0doCQ==
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

2026-09-17T09:30:21.650466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099114
observed 3a5c462057793f8b43d66fffadc8c914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.632439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099114/manifest.json
observed e0a036df34acd7d81936ec3da45c6ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.610706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099114/publication.md
observed b2b0633522230d206d7d1ebee3191eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.592292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099114/publication.txt
observed 572fa0221f05398c48c9dfbc9cf07b34...
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.