OpenTechnical

OT-2026-000017443

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000017443) never changes.

Identity and time

Publication numberOT-2026-000017443 · never reused
Internal UUID01a0ae6e-76c9-716b-a5b6-90a1b5a5ac3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017443
StatusPUBLIC

Content hashes

Canonical texted97055bb2d17201c36ce863a82b0b14c5a309409b3eb91c317b46543ab6bb11
Markdown356900fd05c9eb5c4fbf318a83d41a2af517a181b208086b04a1f27d54e247fb
PDF
Publication pagedcdddde03da16aa55f8f1b70bd303f55ca0b730aac22342c066152c61320a026
Manifest336f7241df032e208aeb49977dfb4dbd2e3cec5a4a5a5afd58863c309615f4e8

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
SignaturejSdw7QqvPW/TkBfE+j2rEZ36xKb5/ac/htYCloadccZsXVzrRHl0Vpt9hvONf5UOt0haBC6MAzgkL2arLAZzCw==
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

2026-09-17T12:02:34.676540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017443
observed dcdddde03da16aa55f8f1b70bd303f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.660963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017443/manifest.json
observed 336f7241df032e208aeb49977dfb4dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.645572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017443/publication.md
observed 356900fd05c9eb5c4fbf318a83d41a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.630123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017443/publication.txt
observed ed97055bb2d17201c36ce863a82b0b14...
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.