OpenTechnical

OT-2026-000055751

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000055751) never changes.

Identity and time

Publication numberOT-2026-000055751 · never reused
Internal UUID01a0ae87-09cb-7dac-b2d1-d3c88412a80b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055751
StatusPUBLIC

Content hashes

Canonical text25d41d793a7b985f1f696a311b9430805995018c30b60dedd902cabfe81e1da9
Markdownaf788fd3092bd569d424c9fb40f4634896dd621dae07542bcd37144f1dc87aa9
PDF
Publication page1e6d2cf8ed3ed1267276a4b1f32df2e7870e141a2f970edacfa074de57167156
Manifest8c1ec6e6bbea68a73242091f5e9596c4d48447977e9368837b8f52ddcc8dd219

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
SignatureWvMUsSK1I1RgowVDilFeCnMdzscCMy6JB/JMkFPj7adYVLmYjr6RhYhLKZ6PNFKWkHV7fL58y4RdYYwCYSlpCA==
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

2026-09-17T10:51:06.040636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055751
observed 1e6d2cf8ed3ed1267276a4b1f32df2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.021533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055751/manifest.json
observed 8c1ec6e6bbea68a73242091f5e9596c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.003867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055751/publication.md
observed af788fd3092bd569d424c9fb40f46348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.987644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055751/publication.txt
observed 25d41d793a7b985f1f696a311b943080...
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.