OpenTechnical

OT-2026-000050565

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000050565) never changes.

Identity and time

Publication numberOT-2026-000050565 · never reused
Internal UUID01a0ae82-5c49-78f9-8e1c-f9ddfb3b6616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050565
StatusPUBLIC

Content hashes

Canonical text95c97c18d1e74b512fb38f9c7dffe4fdb2fd3fd443be215200c0ca4478ec287d
Markdownef16ef145a830d745e3f73e889010975c306bf04563bbe37a8313a8009a604e2
PDF
Publication pagec150553d74a934f7221a41aa730a6a365e7e28391ee3db8a012192d9d5bc4757
Manifestbfb36f7fbc0af3e320cc490582e35b55f830617132f0860a667b7c407fb6e046

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
SignatureUNbd99qbsMtynDA7+vLHEY52EvzubcpXCrpUkBr9S5oFvUqC74OkKwIhqbS2Xlhva9yZ34VbjT8TgOutnuvcAA==
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

2026-09-17T11:01:39.907232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050565
observed c150553d74a934f7221a41aa730a6a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.891923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050565/manifest.json
observed bfb36f7fbc0af3e320cc490582e35b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.874432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050565/publication.md
observed ef16ef145a830d745e3f73e889010975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.855810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050565/publication.txt
observed 95c97c18d1e74b512fb38f9c7dffe4fd...
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.