OpenTechnical

OT-2026-000056977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000056977) never changes.

Identity and time

Publication numberOT-2026-000056977 · never reused
Internal UUID01a0ae87-d5b5-7a73-a243-4f1277e5b6fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056977
StatusPUBLIC

Content hashes

Canonical text60415736e08bc10d118e0cb1099c955cadd206280ae0a3a8f6df8b1be1eaa9e4
Markdown314a0d8c2232ff125da6b1dfa61d7d4c3b765e54b52068be41336c10cc6d6237
PDF
Publication page9cd97f8f9a6f0eda6cb58d4044e8f9b57729bb4f254839100306f6b51e8305c8
Manifestf46ba1785faed1492a10c086cd0ed805875f04f4b91f503c903a1a3de9976b02

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
Signature7pvujo/5rvsvSnzjiXZweQcThc/Wc4wajn08ICFrSUCxRLH8IBiDhS41VJ/3PN9SwgTsC9Xg5IT1CcQYdEXYBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:26.446491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056977
observed 9cd97f8f9a6f0eda6cb58d4044e8f9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.425842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056977/manifest.json
observed f46ba1785faed1492a10c086cd0ed805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.408200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056977/publication.md
observed 314a0d8c2232ff125da6b1dfa61d7d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.388177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056977/publication.txt
observed 60415736e08bc10d118e0cb1099c955c...
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.