OpenTechnical

OT-2026-000021325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021325) never changes.

Identity and time

Publication numberOT-2026-000021325 · never reused
Internal UUID01a0ae6f-865c-79c1-9985-9aa32a760112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021325
StatusPUBLIC

Content hashes

Canonical text05ef38ced1b303e4837fb86e425477600b0fd4a6e896b071304a0fb31fe5baf6
Markdown5f14a140b3e52fd14093ebb979ab6927b885e24426dc34305a9bbe0ec66e0db6
PDF
Publication page7d0dcb8abe8eb1b2051fc73b4edde20c8a4af3756b9ba73b154de37c04a0e09a
Manifest1cd2c9062c52c0fa836f73e913f505a19eea013ba044fa588fd0926858771b10

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
SignatureZ/SI+lTqKHORvAIpc8E9jQkBtLKlVOmnwj1GvFOJDTsT6TOKMzCUWhgDpyfi56JHkwmabLwnBaV9durRt1i/Ag==
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

2026-09-17T11:55:10.320761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021325
observed 7d0dcb8abe8eb1b2051fc73b4edde20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.301696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021325/manifest.json
observed 1cd2c9062c52c0fa836f73e913f505a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.284310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021325/publication.md
observed 5f14a140b3e52fd14093ebb979ab6927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.266279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021325/publication.txt
observed 05ef38ced1b303e4837fb86e42547760...
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.