OpenTechnical

OT-2026-000020938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000020938) never changes.

Identity and time

Publication numberOT-2026-000020938 · never reused
Internal UUID01a0ae6f-65e4-74ea-a23e-4aad36c339b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020938
StatusPUBLIC

Content hashes

Canonical text98c56dd766ce185d53d64bd1e0076b83a21d08b6113224b96feaddd00301bd2f
Markdowne770cd977ff230ac99cffa63a2a7840c4aed91afe54442e25e09a9ea3bea85ed
PDF
Publication pagefe6519fccdd3ca717557f306333518919bd9f56c80cad980a3ab3df2e29032d5
Manifest981e40e71c21d9f3f843f0a2156fe6bbd237f16d01d5f4383d1a697fc7901b29

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
SignatureUsaAstTAdWBNp45K/YEOQx7F9PusS5h2mmewRR60x4UyMiRlzKWId9MT6uhxBbIv1BtyJRhfff3TMkF11LzdDQ==
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

2026-09-17T11:56:04.139255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020938
observed fe6519fccdd3ca717557f30633351891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.120781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020938/manifest.json
observed 981e40e71c21d9f3f843f0a2156fe6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.101517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020938/publication.md
observed e770cd977ff230ac99cffa63a2a7840c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.083225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020938/publication.txt
observed 98c56dd766ce185d53d64bd1e0076b83...
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.