OpenTechnical

OT-2026-000034457

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000034457) never changes.

Identity and time

Publication numberOT-2026-000034457 · never reused
Internal UUID01a0ae76-1ed0-73a4-9580-69d22f70d917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034457
StatusPUBLIC

Content hashes

Canonical textc3860ca61d9ccc1bfacbbdf3377edd57a1912c688483d06c07d55fb1e4c404b0
Markdownec921182833ddb82773e4663ec5e62d914dfbb00fba58ca334ae3e520c65423e
PDF
Publication page537b348eac85fe482b999d740bc6d4568a35dde4cd69a9caeb6f77358ba03b26
Manifest2417e55f30283a19b8a75e0231782122d27760958f81b210d27fdfb65581cca5

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
SignatureguqGevyMbjgxeetcw/V2wk8dueBEqhWoACmTEP/AXSR0cCNE/lA05JALsKl+HSE/qSnl3EiSoMaybevatZduAA==
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

2026-09-17T11:28:46.860157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034457
observed 537b348eac85fe482b999d740bc6d456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.842068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034457/manifest.json
observed 2417e55f30283a19b8a75e0231782122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.825820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034457/publication.md
observed ec921182833ddb82773e4663ec5e62d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.809698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034457/publication.txt
observed c3860ca61d9ccc1bfacbbdf3377edd57...
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.