OpenTechnical

OT-2026-000084506

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained blow-off 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-2026-000084506) never changes.

Identity and time

Publication numberOT-2026-000084506 · never reused
Internal UUID01a0ae98-e25a-7777-b00f-268d086ad6f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084506
StatusPUBLIC

Content hashes

Canonical text5a90dc140935f37a8aa1a9179e43ed00af66887f7c50407f4f793767d5f874a0
Markdown1af33151cfac7ef86f7ea81360991e51610e92207560544204ebfaf936e13084
PDF
Publication page6a1b2422dc4570d75c5e16c0afc89eedfb7e0b108fad4185127b2447d53a22e1
Manifest34600ee6a81091a25bf97e759207edb5f584b6358c219f9df2274316b04d4ab5

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
SignatureaoFioYldeccpzgiCJHJvj1GcSydfzu0JuAdyqr+jG6rDSAikfURqzDKuf4rMLAiLq9CnatE2hWGr8UVRJQlPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:22.943763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084506
observed 6a1b2422dc4570d75c5e16c0afc89eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.925411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084506/manifest.json
observed 34600ee6a81091a25bf97e759207edb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.906276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084506/publication.md
observed 1af33151cfac7ef86f7ea81360991e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.887431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084506/publication.txt
observed 5a90dc140935f37a8aa1a9179e43ed00...
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.