OpenTechnical

OT-2026-000013302

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000013302) never changes.

Identity and time

Publication numberOT-2026-000013302 · never reused
Internal UUID01a0ae6d-6fc9-752d-99ad-faae9af69c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013302
StatusPUBLIC

Content hashes

Canonical text4bf01e152444c6e04a76cf99bdcf1007c82f454a6df402a2b07cc87140a862e7
Markdownb214ee4132df92d9edb44f5eca29d836beb433bf76ec09648bf4fa672ebdd488
PDF
Publication pagebf5b5f0d91d0d07273951e75c259e1669ee9f7657ac3e7b3a81691be0d30655d
Manifest15a542add71b7740b769c043684f6da38819d5d69b28042d6b34f5829c476d5a

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
Signature1aTvOgDPpn1ZSCh/MY7onzye9lTS88asrMtoBAsTmOAz+/jM2IQamgTarVdVDdfGwwh31Ub+ADh2tTk5WfooAw==
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

2026-09-17T12:09:43.752547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013302
observed bf5b5f0d91d0d07273951e75c259e166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.734345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013302/manifest.json
observed 15a542add71b7740b769c043684f6da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.712685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013302/publication.md
observed b214ee4132df92d9edb44f5eca29d836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.694293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013302/publication.txt
observed 4bf01e152444c6e04a76cf99bdcf1007...
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.