OpenTechnical

OT-2026-000103180

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off 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-2026-000103180) never changes.

Identity and time

Publication numberOT-2026-000103180 · never reused
Internal UUID01a0aea4-be3e-7d8e-917f-18e4af9fac4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103180
StatusPUBLIC

Content hashes

Canonical text3c6102755f640d638332d8dc676573668ae30fd9632e4396bcff249c2fa16327
Markdownf6886ec0f4de404e56d73bebc24beec2e23d0890cccfde5bcd748adefb995b70
PDF
Publication page84ffbcca8049b1e776a481123feeedb3757c7c8f4072eb5468abc3df4bbf9fe2
Manifestb5f0b65421a08d43ec89a75d33ba76e7bcb66b26c594696ffa9b33ac0ded2997

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
SignatureyPvpDcQb8DdW0sKLwymRYebuEsCpxELErz42mZtz1zJkKLaf7+Vx/48EhhSISrjWjNZtxjnIpXvr2X0PARVLBw==
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

2026-09-17T09:23:24.016277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103180
observed 84ffbcca8049b1e776a481123feeedb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.996880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103180/manifest.json
observed b5f0b65421a08d43ec89a75d33ba76e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.980280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103180/publication.md
observed f6886ec0f4de404e56d73bebc24beec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.962756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103180/publication.txt
observed 3c6102755f640d638332d8dc67657366...
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.