OpenTechnical

OT-2026-000061985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000061985) never changes.

Identity and time

Publication numberOT-2026-000061985 · never reused
Internal UUID01a0ae8b-b8ae-76e8-83a0-28cd970e8191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061985
StatusPUBLIC

Content hashes

Canonical text28aafeb7208ac4eb9ce2cbf917ce37877c7c82e395c992c6b8cf927da4da160f
Markdownca53960b966db690b6f77348e64415f951adfce213cdc58ad59d8b5b0c9e31c6
PDF
Publication pagefbe17a724b60df2f29fb7f3b5d03a83cee84ebd3e095d43e77035c9d4b83f793
Manifest6dc916fe1346c7fd20735a3e5202d3c1aa1aa40d69f1ebb533a5ff4deadfcdd5

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
SignaturewCHBwioU1dV5E0z8tLr23egKv3jHqSQ06hqN2m7DOSW/giUdpfFXU776BfM65QkOxDx2uIhRPVximaLpszlHAg==
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

2026-09-17T10:40:54.749645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061985
observed fbe17a724b60df2f29fb7f3b5d03a83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.727065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061985/manifest.json
observed 6dc916fe1346c7fd20735a3e5202d3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.705248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061985/publication.md
observed ca53960b966db690b6f77348e64415f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.682200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061985/publication.txt
observed 28aafeb7208ac4eb9ce2cbf917ce3787...
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.