OpenTechnical

OT-2026-000025446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000025446) never changes.

Identity and time

Publication numberOT-2026-000025446 · never reused
Internal UUID01a0ae71-5fa7-7349-a680-edb9649b6763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025446
StatusPUBLIC

Content hashes

Canonical text4bd6f8aa77b709373c19b8917aafd9a14cf31f6752d87207db4fd3c42a3d8024
Markdown7d1103acd201f30071dad74dce1da428edcebce1ec261b82b6565da80309e9d4
PDF
Publication page0e0b2abcc746021b73d794d66186d33422998229f618e9529f3384afe732c83f
Manifestedd0bdf8697481935b8657f517359b62bd1931020ec871e1d0625956245c9b8c

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
Signature4/puAJ3Qk2CZjP41+82jdWWio+DMPw5Of73m0Ioe65Nnr4vLnpYBzeoFiZkDs2yxrZrnGwUg7GPSjwIHYmnFAQ==
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

2026-09-17T11:47:31.667355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025446
observed 0e0b2abcc746021b73d794d66186d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.649524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025446/manifest.json
observed edd0bdf8697481935b8657f517359b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.631810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025446/publication.md
observed 7d1103acd201f30071dad74dce1da428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.613818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025446/publication.txt
observed 4bd6f8aa77b709373c19b8917aafd9a1...
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.