OpenTechnical

OT-2026-000060721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000060721) never changes.

Identity and time

Publication numberOT-2026-000060721 · never reused
Internal UUID01a0ae8a-b7ce-75af-9f2c-419b8031fadb · 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-2026-000060721
StatusPUBLIC

Content hashes

Canonical text96f819d9b70937ad1aedef0376a637c42b9d67824ef1ea577051138a7dff7be3
Markdown273128d4a9ec619045c5023bb23e5dea57204fdf0feb1bfbe2f54a70e4687bda
PDF
Publication pagee585535f9ea23541a74dc59bf7ddcece2ee19ceb2b94e5fdde16c5ee7a22ad59
Manifest71189e4c2a158afa3f279aaf04a29d840c7a153fc022502aee9766e8049bb326

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
SignaturebYZ19PlXdebCGvKZ4yJOprvJ2OCwRTnuSKDWGbV2CNvSoD82wU8jRtTjJgAe4CumvIg554UusCzNDP4VyfraAQ==
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

2026-09-17T10:43:27.021330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060721
observed e585535f9ea23541a74dc59bf7ddcece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.001834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060721/manifest.json
observed 71189e4c2a158afa3f279aaf04a29d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:26.984160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060721/publication.md
observed 273128d4a9ec619045c5023bb23e5dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:26.965415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060721/publication.txt
observed 96f819d9b70937ad1aedef0376a637c4...
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.