OpenTechnical

OT-2026-000068518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000068518) never changes.

Identity and time

Publication numberOT-2026-000068518 · never reused
Internal UUID01a0ae90-2482-77a0-8e58-36426d1ed9d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068518
StatusPUBLIC

Content hashes

Canonical text442b6a96fe91cd62d73af7e6b19aee8154d5e44c3621086888ed618e7bef72a1
Markdowncbb70b063bedde9512f35eec49c69a42caa9eba38ece3cec84511ab5925debb1
PDF
Publication page2b1e12b13e5ef05e0316ebc2e75815078c37ba396fb35afa2fd2b6ad8ea762fd
Manifest09558fd9b70f92df34b704c2ff780fbaebed6084c3cb72a261729c347f403ede

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
SignatureAs4/Spfhq560iMfSCFbTncduoD8+Mmi8JJyZSLk9Y/jkBs64wtCnpEC/o6Oe25ik8VMP3R5noLtVzAEX4L3cDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:40.659928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068518
observed 2b1e12b13e5ef05e0316ebc2e7581507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.643282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068518/manifest.json
observed 09558fd9b70f92df34b704c2ff780fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.625901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068518/publication.md
observed cbb70b063bedde9512f35eec49c69a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.609687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068518/publication.txt
observed 442b6a96fe91cd62d73af7e6b19aee81...
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.