OpenTechnical

OT-2026-000099871

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099871) never changes.

Identity and time

Publication numberOT-2026-000099871 · never reused
Internal UUID01a0aea3-1473-7723-8bf1-721d045633b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099871
StatusPUBLIC

Content hashes

Canonical textfc57884a6fb9945a42c43ff4d3230a92f9935a6084dad5aadf8aca7fbbf05640
Markdown4de4c68ad149751623f437d2fda19c5e541a30c28f848521a5d576c431b9339b
PDF
Publication page5c2fb7a7039b0aebc3d84f3d9423303c28272fc822135def0155762e2383d460
Manifest8e808bb65c66063728efad3ea511fccb659ca68633d5d3f9a0e8638974cd454a

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
SignaturekHGlZUu39eLkTMqmNIoHuJG9003tnHPOXUv28VGAGUUtp5kZqlKRdsvX0A4OqEHce32FIgXlAK5fnSPs6bkQCg==
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

2026-09-17T09:30:20.127837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871
observed 5c2fb7a7039b0aebc3d84f3d9423303c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.106093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/manifest.json
observed 8e808bb65c66063728efad3ea511fccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.087254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/publication.md
observed 4de4c68ad149751623f437d2fda19c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.023140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/publication.txt
observed fc57884a6fb9945a42c43ff4d3230a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.291494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871
observed 5c2fb7a7039b0aebc3d84f3d9423303c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.274013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/manifest.json
observed 8e808bb65c66063728efad3ea511fccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.236311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/publication.md
observed 4de4c68ad149751623f437d2fda19c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.197134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099871/publication.txt
observed fc57884a6fb9945a42c43ff4d3230a92...
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.