OpenTechnical

OT-2026-000026389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000026389) never changes.

Identity and time

Publication numberOT-2026-000026389 · never reused
Internal UUID01a0ae71-f4a7-7aa1-aef4-dadf45d338fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026389
StatusPUBLIC

Content hashes

Canonical text2f63715a96c90ed0341c9173960c3fbdd08cb90844fd520ab71edcafa5f751ec
Markdownfcfc1139ad797eb76e5117590861b5ead5ea335521144737fe919409e492394a
PDF
Publication page0f410ebc63dc3a94ec563b4f7d143230b6c27f96b9f0a2044a0b62eb4cd6f2cd
Manifest3f6ee3b22b88fd726089acf42928f5ebffcbb8764b2bb5636dd8f895c2ff38ae

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
SignatureddxH1UZvNIf4FCgdbjU/hdWr8uYjQ0e51DWgdPHiiLbO6P9Fl0x7XCO9Ha7WSAsoYa1VlkoEYgkiPXht/Gv6DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:22.319783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026389
observed 0f410ebc63dc3a94ec563b4f7d143230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.303587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026389/manifest.json
observed 3f6ee3b22b88fd726089acf42928f5eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.286283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026389/publication.md
observed fcfc1139ad797eb76e5117590861b5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.250516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026389/publication.txt
observed 2f63715a96c90ed0341c9173960c3fbd...
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.