OpenTechnical

OT-2026-000031343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000031343) never changes.

Identity and time

Publication numberOT-2026-000031343 · never reused
Internal UUID01a0ae74-87ac-7be0-8190-14eed00bd183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031343
StatusPUBLIC

Content hashes

Canonical text04b9d9b1928493dd6c6149068d03c75eee70b8cd54e78f6b2e9832ccb188f838
Markdownf05bb269a0d45681ca99656c34a44b3bacec7d1338e55ec39ae472802c2101fb
PDF
Publication pageae81034e8dc8b207438a7c3c983d93bd9c6728bbe4d1f3241b6435ed957d87b9
Manifest0136a26e8351ee7ef99f317cfe97fbd5bde3cde16905842a413b141d5aa3896b

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
SignatureNCWuU/eDStAO5B7MXGPRtrgOhgWL9cXl8SL/PxIVWBqyxSznqB3S50TCnMjUMzIBJqOgF3aA2lzSLuhUTd8wCQ==
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

2026-09-17T11:36:02.432501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031343
observed ae81034e8dc8b207438a7c3c983d93bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.414994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031343/manifest.json
observed 0136a26e8351ee7ef99f317cfe97fbd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.394856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031343/publication.md
observed f05bb269a0d45681ca99656c34a44b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.375517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031343/publication.txt
observed 04b9d9b1928493dd6c6149068d03c75e...
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.