OpenTechnical

OT-2026-000032051

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032051) never changes.

Identity and time

Publication numberOT-2026-000032051 · never reused
Internal UUID01a0ae74-bad3-7237-a6d3-3dc5be061280 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032051
StatusPUBLIC

Content hashes

Canonical text1f8b1c33c45cd07a2cfbb655a2b3e026bfc35d9d115e9c676eb1cd3c780e92ff
Markdown104acd1473dcfc584b4da230ff920e20b8f8c5f4912015b6385a54add2ebf84d
PDF
Publication pagec47f3cd3cf31b27d18c61a4630e967992b6ea165d2bccdd71f5f0162767a7f21
Manifest38c6899b627639f03425b190308b50ed766e95ac7a0c515a3dc2daaaedd8aa09

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
SignatureUJlD7JfgS7ALS0/uAImGRLTFHzWiC3yFshjHlz4TQx++ORWlkTfIUdiTpDL2NtTMoIqziwTtizJNSQgcNG6vCg==
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

2026-09-17T11:35:28.004395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032051
observed c47f3cd3cf31b27d18c61a4630e96799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.987637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032051/manifest.json
observed 38c6899b627639f03425b190308b50ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.971012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032051/publication.md
observed 104acd1473dcfc584b4da230ff920e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.952092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032051/publication.txt
observed 1f8b1c33c45cd07a2cfbb655a2b3e026...
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.