OpenTechnical

OT-2026-000003872

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, three stage ejector, contact triggered, plastic cups

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-2026-000003872) never changes.

Identity and time

Publication numberOT-2026-000003872 · never reused
Internal UUID01a0a90b-509d-75e0-89e2-8fcc2eedbc67 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:06.180535Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003872
StatusPUBLIC

Content hashes

Canonical text3274aedae95961801ac691d8746d77c5ebe3352e02ce8bb5bfc43bc65f43e5e4
Markdownde25978bebfe3a20ab507344acc1abb3b240aaffdf8c013ab87353ec60d98e49
PDF
Publication paged60902b01e269033844df91a3783ca6cef1799b1947a31cc4b5b59f3346ec153
Manifest1097032c0a57018bb4a7cc7bdcc702b78ecbdae0eda058152b5767a3913db017

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
SignatureYi0a7mG8lOtATGIVxEq9R/5k5p8ErgnV81Qc1G0pxLSAewDCCU9UWhwGS5T1apFdfYeen+xXjbowJp5ZYkJoCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:15.253707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003872
observed d60902b01e269033844df91a3783ca6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.238080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003872/manifest.json
observed 1097032c0a57018bb4a7cc7bdcc702b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.223049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003872/publication.md
observed de25978bebfe3a20ab507344acc1abb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.208187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003872/publication.txt
observed 3274aedae95961801ac691d8746d77c5...
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.