OpenTechnical

OT-2026-000042226

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042226) never changes.

Identity and time

Publication numberOT-2026-000042226 · never reused
Internal UUID01a0ae7a-5d72-7e61-a108-2f9315b47030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042226
StatusPUBLIC

Content hashes

Canonical textca0c182c04679010c56c6d0ded052d5f987653ef1dd01aff937725a16c03de88
Markdown006479decf86630c7f0c6289ac8d08cd74b12a89d18d136befa69cd0ff3aa1de
PDF
Publication page12a145179ced44d8ee998477d97765c34ef417ea599b525b7b01adfa0fe4103f
Manifest5c6c906883fe0347e3f18a5cd755a89e288b52dd5a9ea8be31ccd1563283100f

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
Signaturev1tGoeveQoOV7sux2cqtJTGUfzVhefkQWEagO0ihBykGaDJi3VGSgdVAivXSkntJtehkCUcWbbTSgt2k/xDDBg==
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

2026-09-17T11:15:54.100692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042226
observed 12a145179ced44d8ee998477d97765c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.081395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042226/manifest.json
observed 5c6c906883fe0347e3f18a5cd755a89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.063316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042226/publication.md
observed 006479decf86630c7f0c6289ac8d08cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.044680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042226/publication.txt
observed ca0c182c04679010c56c6d0ded052d5f...
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.