OpenTechnical

OT-2026-000021128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000021128) never changes.

Identity and time

Publication numberOT-2026-000021128 · never reused
Internal UUID01a0ae6f-865b-7c88-9b17-fa4a178bee20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021128
StatusPUBLIC

Content hashes

Canonical texta1844cb093a2d006cf9782eb532bd5abd25e34228a2da2a19cb49c07edeb53af
Markdownfe6d890fd13a23fb39f1998a3c0216c938448695d917ac1edc6284cd30c1b84f
PDF
Publication pagee49e30f55b3821a28f92ef4eb18f9611817a6599968a09a182519c2b0e1986ff
Manifest85363fb9c6840dc6841ea01fc3c8ad185f501a4cddcdc91b1f05385f6290ef38

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
SignaturerrHz40zBW19PbG+QBTno85HUHj07s2nlcP56/cEteVW1n0wdu5QdgBPKVJZqRE+m3vlkkIRuO01z/MD6Xu00CQ==
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

2026-09-17T11:54:52.681397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021128
observed e49e30f55b3821a28f92ef4eb18f9611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.661773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021128/manifest.json
observed 85363fb9c6840dc6841ea01fc3c8ad18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.641275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021128/publication.md
observed fe6d890fd13a23fb39f1998a3c0216c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.623942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021128/publication.txt
observed a1844cb093a2d006cf9782eb532bd5ab...
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.