OpenTechnical

OT-2026-000102657

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000102657) never changes.

Identity and time

Publication numberOT-2026-000102657 · never reused
Internal UUID01a0aea4-858b-7c91-b57c-ac16a86b7a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102657
StatusPUBLIC

Content hashes

Canonical textead7942ef7881de4be13ae7d65d5abc04cf36ebfc55bc8b1c44778cc13a96381
Markdowna13d3b73eebf8aaccaf370bd98fef67fb75e1975f89d31054921c6da05dd730d
PDF
Publication page3d69149ffa8d5e89039edb40d33fc9e23c6210b78a278fde8b7caba4a587119a
Manifest42ddc6fd6533eeb31c7566cf9ffbb15c861c4e257472636898981c979b12681f

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
SignatureJ300JbR1GDuLsZbebB42EnGD5V63JjtAJAXyrULAgsTRbpGauyL+YbtaBlv6Fp+diBgjcCUfr4fDhBzcgaR4DA==
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

2026-09-17T09:24:09.393405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102657
observed 3d69149ffa8d5e89039edb40d33fc9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.372056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102657/manifest.json
observed 42ddc6fd6533eeb31c7566cf9ffbb15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.344870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102657/publication.md
observed a13d3b73eebf8aaccaf370bd98fef67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:09.316242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102657/publication.txt
observed ead7942ef7881de4be13ae7d65d5abc0...
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.