OpenTechnical

OT-2026-000006099

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, sustained blow off after set down, open cell

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-2026-000006099) never changes.

Identity and time

Publication numberOT-2026-000006099 · never reused
Internal UUID01a0a94f-4bc5-751a-99f4-426ca425b242 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:21.384467Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006099
StatusPUBLIC

Content hashes

Canonical text9d4307671c7e1323ed13a62197f2f8fbd8cf19ae65a61d4e37eddf38a68368f6
Markdown112d59acaa21727bd812b2c76019be034f951f2a86e029c60863c7fdaf28a950
PDF
Publication page8a3953a0f59cfd06fcc7e29c7963cb01c42c80163feba436cfd4325c0719da05
Manifestd83731f7a266d446dc9ffe38eabf350f4829fe02712b0e6970ad28100504448e

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
SignatureW8ZbdN9s+lOfoBq/aeUldPAD+FIKZ/ZdMLah7bj1dpfLxsJT2qMBVw5bvvL3Qumhv2HxOqEd6VP8kvENDYAlAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:27.644820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006099
observed 8a3953a0f59cfd06fcc7e29c7963cb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.631414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006099/manifest.json
observed d83731f7a266d446dc9ffe38eabf350f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.492892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006099/publication.md
observed 112d59acaa21727bd812b2c76019be03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.479119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006099/publication.txt
observed 9d4307671c7e1323ed13a62197f2f8fb...
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.