OpenTechnical

OT-2026-000060589

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000060589) never changes.

Identity and time

Publication numberOT-2026-000060589 · never reused
Internal UUID01a0ae8a-b7cd-73f4-8fa7-0b98991fb6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060589
StatusPUBLIC

Content hashes

Canonical text7a4e978e891bef8311738d239028af46f65781e6c710c8f76b10054853b2bbce
Markdown3f36d83ded4eaaaf8d14ea1dcd9244357a93c78d9fa2e1cf969f82c7643d7d15
PDF
Publication page491a14d07b6e507059ebccbdd56b2ea894741663ab9e51f11cad8a8c1e32ef36
Manifestf039057ef03becb8677926ffa494964ac2e7101e5d10dc264001dad10285d00c

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
Signatureb/srCTtGnZxo1RXNYmr4CAjH+ocdbl7QzUyvHYO07gRMHlwbS3rD39PrzkeRXfrhrPURqn/J1nSrbvSurl4ICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:12.608341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060589
observed 491a14d07b6e507059ebccbdd56b2ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.590663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060589/manifest.json
observed f039057ef03becb8677926ffa494964a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.575115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060589/publication.md
observed 3f36d83ded4eaaaf8d14ea1dcd924435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:12.559489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060589/publication.txt
observed 7a4e978e891bef8311738d239028af46...
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.