OpenTechnical

OT-2026-000061045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000061045) never changes.

Identity and time

Publication numberOT-2026-000061045 · never reused
Internal UUID01a0ae8b-137d-7674-8b20-386260b6e5be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061045
StatusPUBLIC

Content hashes

Canonical text5d4c6e78c580b2c18b4b7321febaeca0c085af5e047eabd0c6967e076abeea03
Markdown1c629219f317a43c699d389df2397bf80d106f58f43830586cf01435357d74e3
PDF
Publication pagedc78aa23e28d03a191311d275b2350cde42610627cf614a2ee60ee52b0d50583
Manifest492813ee41a1819e36faa92d38403d473f11f292e4818e74790b16da59335f09

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
SignatureB3b6LhdZLHhoJbxABsA3SNUxSuof0+9+JWLB5W2yfOqAIcjEXQMRGVwa0EtHkPd90tjTed799+kVHhBi/TG0BQ==
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

2026-09-17T10:42:23.840963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061045
observed dc78aa23e28d03a191311d275b2350cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.821908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061045/manifest.json
observed 492813ee41a1819e36faa92d38403d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.802771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061045/publication.md
observed 1c629219f317a43c699d389df2397bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.784322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061045/publication.txt
observed 5d4c6e78c580b2c18b4b7321febaeca0...
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.