OpenTechnical

OT-2026-000030536

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000030536) never changes.

Identity and time

Publication numberOT-2026-000030536 · never reused
Internal UUID01a0ae73-e504-71e0-8925-7277c06308fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030536
StatusPUBLIC

Content hashes

Canonical textdb4a1b5cf2a764b2af48830c07b547b925520da179594795aa6136e1dbf359d8
Markdownb6cd5035cc4835b1775c51e59266cf074579a49188ef24d8812f55a23138dced
PDF
Publication pageab97a4c743810de75f524ef8f06ab29b66e1e4d004a634d2fcba2a5ef10faa04
Manifesta426a8b635cbd1f95a934a022be75fe3995a1f0533e46ac3f489a1d3551aca83

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
SignatureFrxKbTUVtvoteN2HcXnRVKSAUbrfOxKpMC733haWJd80Jf2WXnxdds97IclOLO3K+Ha23NAmw2XjzvJk78BPBA==
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

2026-09-17T11:38:24.194150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030536
observed ab97a4c743810de75f524ef8f06ab29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.176735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030536/manifest.json
observed a426a8b635cbd1f95a934a022be75fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.160352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030536/publication.md
observed b6cd5035cc4835b1775c51e59266cf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:24.143381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030536/publication.txt
observed db4a1b5cf2a764b2af48830c07b547b9...
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.