OpenTechnical

OT-2026-000051990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000051990) never changes.

Identity and time

Publication numberOT-2026-000051990 · never reused
Internal UUID01a0ae83-e78e-7db7-8621-23a1158b2bf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051990
StatusPUBLIC

Content hashes

Canonical textea658e0fe5f67ad357d53d1cdc7e25139fd3ec3ba9c24b1e315fc131d227dfba
Markdown9827348646706db30e23d55355b2af1420c8efae03e437c3add07b457959c6ad
PDF
Publication pageea86be882d7dbc5ce12d87c7cd7142e843cd8952a02c00144de4d453e13615c1
Manifest22490a368214277b94b7de9567994cb7fde6f53c5e4c7e7ddaec39ba067600c0

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
Signature/Hlu8GD5N60l8JbSKXNR0KyvkBizHCmfe4LCROb3TE/v6v8ulSfmW+JCX26/m84txcyEv9FwXy/mPYvViJXeAQ==
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

2026-09-17T10:57:29.566105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051990
observed ea86be882d7dbc5ce12d87c7cd7142e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.548634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051990/manifest.json
observed 22490a368214277b94b7de9567994cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.532539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051990/publication.md
observed 9827348646706db30e23d55355b2af14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.514469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051990/publication.txt
observed ea658e0fe5f67ad357d53d1cdc7e2513...
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.