OpenTechnical

OT-2026-000051879

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051879) never changes.

Identity and time

Publication numberOT-2026-000051879 · never reused
Internal UUID01a0ae83-7c84-752a-bea2-675674a74a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051879
StatusPUBLIC

Content hashes

Canonical text32ef987f5cdd3df2cdcc14a997aba0e842d5d44fdc02b3652ec05ade39954393
Markdownf7c00df8f54a3d6bae3cc989f29abd9d208559dc6ac3829381001cd8d6eff2ef
PDF
Publication page3067159e7fa22646a8ef4708dc9af13fd07f94bb47c3ed4c0182533822fd7b16
Manifest97f482c9d34e7871af5790c286ef6ccc522707dee636437eb666061d0b605b61

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
Signatureqj+IFsw/56DU0nsmB49CCZjqqUxWcXTYcIxajAUDCts4hzc87WuPZ9rla6QijKE3yCXXHJsLjH8LAna0uhXNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:49.073089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051879
observed 3067159e7fa22646a8ef4708dc9af13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.055318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051879/manifest.json
observed 97f482c9d34e7871af5790c286ef6ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.036601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051879/publication.md
observed f7c00df8f54a3d6bae3cc989f29abd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:49.016853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051879/publication.txt
observed 32ef987f5cdd3df2cdcc14a997aba0e8...
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.