OpenTechnical

OT-2026-000017800

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017800) never changes.

Identity and time

Publication numberOT-2026-000017800 · never reused
Internal UUID01a0ae6e-96fb-7c64-a8ab-6e2ebd38def1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017800
StatusPUBLIC

Content hashes

Canonical text6a219e0672e2fc5720fd2002d292fe2df218605100049149f216be9f2a92cec0
Markdownf8c8e5c95c738a63a11064be9b94651a24698b86d31ebe9ad23c2254913a6c71
PDF
Publication page336d959a7197cfef2689af56ddcf060cb45ccf6535a99a22bcba5beaea3648dd
Manifestad6945c107244b593836666b25b8804dfb2ae5b88f79e7064a0e5a8a1a689fe5

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
SignatureTjIrZw+YaSRRhTO1jaccCLTzrixNZ9MBV36hu9fv2OmmdsUmsIy70Nf1tm5yYz5gl8TjYv3KFOmKJfYS/FwrDQ==
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

2026-09-17T12:01:46.057634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017800
observed 336d959a7197cfef2689af56ddcf060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.042126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017800/manifest.json
observed ad6945c107244b593836666b25b8804d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.026510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017800/publication.md
observed f8c8e5c95c738a63a11064be9b94651a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.997395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017800/publication.txt
observed 6a219e0672e2fc5720fd2002d292fe2d...
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.