OpenTechnical

OT-2026-000051186

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000051186) never changes.

Identity and time

Publication numberOT-2026-000051186 · never reused
Internal UUID01a0ae83-273f-7525-be2e-bc1aa699f9f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051186
StatusPUBLIC

Content hashes

Canonical textffdcef9d3330863f8956bf34fb5c0db08efd43f979d737d2cfda56d3483539f5
Markdowna72ad3e6f6dec62b2778423134aceacdbbe73b722e1555798b0930b604995705
PDF
Publication paged578cdc40fb353b7b43a0468b4508494344b5f72c4f1d5d50704674fcdc8af6b
Manifested5ebda81d5a1f1f9ea07b0d02173290ca48c567a826b938dffe45b2ac1a4835

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
SignatureVtz1hLguB0qkRhfv4Z1EMyHMsi2MpNARnJJJ5Gy9KyZJN5YyMvy22L4TOs0zBpHSErlmc45VtxGH9bZqoirUCw==
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

2026-09-17T10:58:57.789578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051186
observed d578cdc40fb353b7b43a0468b4508494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.767200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051186/manifest.json
observed ed5ebda81d5a1f1f9ea07b0d02173290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.747602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051186/publication.md
observed a72ad3e6f6dec62b2778423134aceacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.730310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051186/publication.txt
observed ffdcef9d3330863f8956bf34fb5c0db0...
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.