OpenTechnical

OT-2026-000031669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000031669) never changes.

Identity and time

Publication numberOT-2026-000031669 · never reused
Internal UUID01a0ae74-bad0-73a9-b896-88a9e1cfcaaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031669
StatusPUBLIC

Content hashes

Canonical text1a5f19372484f9cb3a2039a1b8d8cdc3bec1151161fdfc9b89cbf3b7c22e5c5d
Markdown503cb760f1354a24ce89f88c9611d6baa0911a04760a3de023ec998f0d1b3d2b
PDF
Publication page92fe566abb17bb07f6b876f7a9a9a600c7ec06838dd2c58ae6ef379068a97ab8
Manifest381ba9598d1ff7ae806f1d24348f02107d854670dee1b0f22a061386aea04780

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
Signature/EHroul23AusOrWPFD1CNyzNaSVLQjNM6YSo1wfzg3e7CDuUMt1eVnN46yJ6/LcYR2I7JX2I5Jwu9FsuEBA6DA==
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

2026-09-17T11:34:45.963900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031669
observed 92fe566abb17bb07f6b876f7a9a9a600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.946891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031669/manifest.json
observed 381ba9598d1ff7ae806f1d24348f0210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.929516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031669/publication.md
observed 503cb760f1354a24ce89f88c9611d6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.911852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031669/publication.txt
observed 1a5f19372484f9cb3a2039a1b8d8cdc3...
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.