OpenTechnical

OT-2026-000023542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000023542) never changes.

Identity and time

Publication numberOT-2026-000023542 · never reused
Internal UUID01a0ae70-7269-7edd-b98c-3d30ddc8b6c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023542
StatusPUBLIC

Content hashes

Canonical textbc9dc51ef162d19f8542b320a66f320f922c7096a4f4f81f0fc56283be5d9940
Markdown33855e3725b9693bba88b2a0c85583c41e4bb574a56bf8cd2d5d5f450e0ad028
PDF
Publication pageae11449908ba90cbd5cf322008eed653ce5209388f7f3df74e8a10228e8bcb4a
Manifest081bae20f27bef1a2e22ae7141cbb9a65d95c29010c824e2095009b642ca64ad

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
SignatureURzhlDzE9EVfB4C14laZHSoteY/ToBRy5Mhcwhcjk8cHtmdpgxYbCPEarSU3KVRuNZ5nKgux2kTTRPAkE+TrBQ==
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

2026-09-17T11:51:52.591626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023542
observed ae11449908ba90cbd5cf322008eed653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:52.567323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023542/manifest.json
observed 081bae20f27bef1a2e22ae7141cbb9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:52.541021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023542/publication.md
observed 33855e3725b9693bba88b2a0c85583c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:52.334066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023542/publication.txt
observed bc9dc51ef162d19f8542b320a66f320f...
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.