OpenTechnical

OT-2026-000039511

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039511) never changes.

Identity and time

Publication numberOT-2026-000039511 · never reused
Internal UUID01a0ae78-d8d3-7d6d-a45a-c1009565a0c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039511
StatusPUBLIC

Content hashes

Canonical text51a32c3d33ac088d6ff84316e114bf60b6c83e703d0cdc965fd0a221a19148b7
Markdown45f4051cfc966b79a9f8389d75fdd8dbdeaa68657ee941649f9fede7d39e4525
PDF
Publication page98028198518013fd74f37242c82875b496050abe31f7ada0b966f248f7c8223a
Manifestc2e081209f3892b9c7f44371d1ad98b9b7ceabd8f128ce06a6666d2dc429ff08

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
Signature+7qQ5p2S4EtGmyuLDHxlNkU5b8B4jZLQ7Oib8n2LgBFEfWVkjhCTVmg5on9Xm1hAf+1ioxTxI3zDxCHMwtdTCg==
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

2026-09-17T11:19:38.833775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039511
observed 98028198518013fd74f37242c82875b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.815292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039511/manifest.json
observed c2e081209f3892b9c7f44371d1ad98b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.799106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039511/publication.md
observed 45f4051cfc966b79a9f8389d75fdd8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.782071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039511/publication.txt
observed 51a32c3d33ac088d6ff84316e114bf60...
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.