OpenTechnical

OT-2026-000022453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000022453) never changes.

Identity and time

Publication numberOT-2026-000022453 · never reused
Internal UUID01a0ae6f-f4fd-7a43-ba9d-5165f1873fd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022453
StatusPUBLIC

Content hashes

Canonical text9513b342a98d9fdd4ff7f99027812483d2a3d5ed2bb2ac9d16785a624061f9fc
Markdownf53eda08b370f83fb6a3137588121786685908decf7c9be4a7bf0791e7ec2836
PDF
Publication page6c1e1a7f5f34e4e8c589870005c3ea807c48911ec58a1abeb6f79f1c8ad6c937
Manifest10f62a32b05229053007bfcf27055071e3e235ef3f9c90170bd55d312e62bc13

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
SignatureFG+tBHegk9ZnI860966LxKrcy0+80LYImBWYVPX//D2aF3bWkCi23G36sTjs2iK0kWndHGENhlhfG/rUiS7xBg==
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

2026-09-17T11:53:51.041039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022453
observed 6c1e1a7f5f34e4e8c589870005c3ea80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.022915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022453/manifest.json
observed 10f62a32b05229053007bfcf27055071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.004885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022453/publication.md
observed f53eda08b370f83fb6a3137588121786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.986295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022453/publication.txt
observed 9513b342a98d9fdd4ff7f99027812483...
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.