OpenTechnical

OT-2026-000026892

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000026892) never changes.

Identity and time

Publication numberOT-2026-000026892 · never reused
Internal UUID01a0ae72-3452-7b12-8344-639cd59af4b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026892
StatusPUBLIC

Content hashes

Canonical textf4559f7ec015a35dbb6828c60531c3ee4f8bcb78a08e09767733041bd353dd8b
Markdown51de1d07035e92ee46cd5cd8f112c480c5bf832e4896758c125883113c18f9e7
PDF
Publication pageaf71c0b09f766a50a2e9ac52137d5079bf207da430f68f7f98454d821dc5763b
Manifest11b90c768c8cab208c0c8c933c34a3660aea2d6ee92df1f9aa4e93304e1a14b1

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
Signaturecmk+s9quYNbJbXsznpD1MpylC1vF0VAg6kJvxvxkgzjMkHFoYdi+yCSIAXntB3zayRLyPGxnLSOs+XW6YmYoAg==
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

2026-09-17T11:43:30.038493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026892
observed af71c0b09f766a50a2e9ac52137d5079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.018777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026892/manifest.json
observed 11b90c768c8cab208c0c8c933c34a366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.974250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026892/publication.md
observed 51de1d07035e92ee46cd5cd8f112c480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.942506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026892/publication.txt
observed f4559f7ec015a35dbb6828c60531c3ee...
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.