OpenTechnical

OT-2026-000102957

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000102957) never changes.

Identity and time

Publication numberOT-2026-000102957 · never reused
Internal UUID01a0aea4-be3c-7742-96b4-f6ff18a3146b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102957
StatusPUBLIC

Content hashes

Canonical text4e656e33dead3f1db136f2b3699c0e1fa05a5dcd64ed02a965a5a01730849ef2
Markdown9393e51fce11d4d7139feee83a0f9c88299c402f0934efe2c41f0bcf065ce9a0
PDF
Publication page68271e21e9d59c3f2e859432876b26e553ff175ba54fab283b80eb4d0410483d
Manifest1e6e0462689866a622b29bd5a3ed0315c65d50a180a6b67884affb3667d09396

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
SignaturenhR4F+QzZwYlFB+j0SK2s5Ug414h84/cRi/2pyNztTg8sf6eIUzPsx6fRhu/P2H+kl3mxuUNCd0SfW8ev/ARBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:03.896754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102957
observed 68271e21e9d59c3f2e859432876b26e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.879544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102957/manifest.json
observed 1e6e0462689866a622b29bd5a3ed0315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.862387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102957/publication.md
observed 9393e51fce11d4d7139feee83a0f9c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.844675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102957/publication.txt
observed 4e656e33dead3f1db136f2b3699c0e1f...
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.