OpenTechnical

OT-2026-000103363

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000103363) never changes.

Identity and time

Publication numberOT-2026-000103363 · never reused
Internal UUID01a0aea4-e45f-77a6-b646-27fed31a8171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103363
StatusPUBLIC

Content hashes

Canonical text7a187326ee9e4bc9d231088d6a978594e4ca2617da9c20192aca0ee715e944ab
Markdownc8aa3b1136b698a9224fe90261a22100ea2d7be9cd67f68b0cf82f4ed6633a83
PDF
Publication page10d8015584498a6c011cca3e64c17cd16562d5ad7596e57a23612e55b838da97
Manifest54e710e8e6d3b6ad81979f73208a84f5421532043727e31c78d4be69b6dde2c1

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
SignatureXwEOQTxSpjeChont2DMLMF3VLP6Z6szvBrNoqXS2syW3zxb50GXcbdSXcvzwMSs0paMXIhmr2u1tUR0Si3p1Ag==
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

2026-09-17T09:22:05.864625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103363
observed 10d8015584498a6c011cca3e64c17cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.845957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103363/manifest.json
observed 54e710e8e6d3b6ad81979f73208a84f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.828305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103363/publication.md
observed c8aa3b1136b698a9224fe90261a22100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.808416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103363/publication.txt
observed 7a187326ee9e4bc9d231088d6a978594...
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.