OpenTechnical

OT-2026-000052259

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000052259) never changes.

Identity and time

Publication numberOT-2026-000052259 · never reused
Internal UUID01a0ae83-e791-7d31-873f-a1a1ed7b6adf · 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-2026-000052259
StatusPUBLIC

Content hashes

Canonical texta423b1eacdebc1cfd6b33017f3f512246006309d0fb989827489482d6b5cb596
Markdown7da7e49166f5bc71bce30ed3b5b0a5481e4135258d93d47eb8ee42fd4c8b5d91
PDF
Publication page0a217de1aec19d88f0960f6da6f0da38c4b4a73619e198e9c9aef4a3a09d3f4f
Manifest13a343b0ed847970060f018c2fa285e42e1bf44999e433bb9883a5545fa6684c

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
Signature0u8Wr16cUas8x5kUIvLS6VgJp6jl9ziOChFVruMr3LtZx/zw7hyGv8zLHNfHKtbRavgh2duBfiFiHUthTVulDA==
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

2026-09-17T10:57:50.636526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052259
observed 0a217de1aec19d88f0960f6da6f0da38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.618171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052259/manifest.json
observed 13a343b0ed847970060f018c2fa285e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.597768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052259/publication.md
observed 7da7e49166f5bc71bce30ed3b5b0a548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.580152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052259/publication.txt
observed a423b1eacdebc1cfd6b33017f3f51224...
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.