OpenTechnical

OT-2026-000012002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000012002) never changes.

Identity and time

Publication numberOT-2026-000012002 · never reused
Internal UUID01a0ae6d-1943-7bbb-a012-48b1d80a7225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012002
StatusPUBLIC

Content hashes

Canonical text00359c35107b098ee8ebfd5f5212cbea3271bf4b076123bc439961d2519aa5a2
Markdown0a6ee6608a1a1940840a3888197a0a878bf52d431fd375aecde19b8f552eb7d6
PDF
Publication page88c7f86e13d0458a4ab8691e43968ae45b25790c71495641b0118ae1044964a7
Manifest807eb7838cd8c56b78ec58e70b005848847ad0b38ced89d21d4528ad056892df

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
SignatureoyBSxGtUPHMOYlG5YANkZqLAwPAWqrQWBDcyqpJMSWpu1UJ+9nwDf4muU/rMMTZFPHQqb/OgKGJL+PRdUR2wBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:52.037703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012002
observed 88c7f86e13d0458a4ab8691e43968ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.014310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012002/manifest.json
observed 807eb7838cd8c56b78ec58e70b005848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.993773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012002/publication.md
observed 0a6ee6608a1a1940840a3888197a0a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.971842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012002/publication.txt
observed 00359c35107b098ee8ebfd5f5212cbea...
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.