OpenTechnical

OT-2026-000007607

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000007607) never changes.

Identity and time

Publication numberOT-2026-000007607 · never reused
Internal UUID01a0ae62-76bc-7b8b-97fa-e75e1d1c99bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007607
StatusPUBLIC

Content hashes

Canonical text6e90f48a71c4db78005d9c20b8deb70e9aae767a7fadfd207a0964e46dc8851e
Markdown14120cbf9d058bbaf1e4c6e824d2ea163fe17b0542196886e8d10aa87977e247
PDF
Publication paged8e8a79a127ce00979399e4646201549c2081cefe1faabef7c5923d99e6f783e
Manifestfa49b827901da6c69ca76890fc9dbef66de1cbb48b77998e3a6db1d21935d24b

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
Signaturej2mKgQt8kegxEWx4xvZY9Bgdgx7WyqEthJUsqbC6rsI0/nbnST0A5olvcp9D3LRvqGCyxskUkVX36hcVcTp9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.154300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007607
observed d8e8a79a127ce00979399e4646201549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.136197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007607/manifest.json
observed fa49b827901da6c69ca76890fc9dbef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.117938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007607/publication.md
observed 14120cbf9d058bbaf1e4c6e824d2ea16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.099049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007607/publication.txt
observed 6e90f48a71c4db78005d9c20b8deb70e...
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.