OpenTechnical

OT-2026-000029266

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029266) never changes.

Identity and time

Publication numberOT-2026-000029266 · never reused
Internal UUID01a0ae73-2aa1-745f-ba44-5935f5b57fe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029266
StatusPUBLIC

Content hashes

Canonical text831f7367adeb7529b41b9fe130f30e7209f1884a63341b35ce97d16c2439f54c
Markdown4a6e04a5f309e4704578a09970c0a2881ad0a281e12f3286a25b5351e2207b86
PDF
Publication pagea3bd3b93a6cbf2eed1f361a38f57ec8fcee87d73c7fb4cdcaa3eb6e799c6dc5c
Manifestbfc9c431f9fbec3cfd8dcbcf39435e9841afbb3deb3dad495bf88c78c5a627e3

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
SignatureSYBrCScamkJqqZaFFTT3GVahFwaNz9rrk6EefLusbAwmVtuiZWcSzwJjS5y4Kd/c3llCjFqIY1Fld9oumVmXDw==
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

2026-09-17T11:39:53.903392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029266
observed a3bd3b93a6cbf2eed1f361a38f57ec8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.884170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029266/manifest.json
observed bfc9c431f9fbec3cfd8dcbcf39435e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.864517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029266/publication.md
observed 4a6e04a5f309e4704578a09970c0a288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.845956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029266/publication.txt
observed 831f7367adeb7529b41b9fe130f30e72...
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.