OpenTechnical

OT-2026-000018945

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000018945) never changes.

Identity and time

Publication numberOT-2026-000018945 · never reused
Internal UUID01a0ae6e-d522-73dc-b6df-410427b8f2a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018945
StatusPUBLIC

Content hashes

Canonical textbe5da7e2c3157a03659159a437fa9ddfba910ddc2401eebf992ed19038e0dd68
Markdownc50b25f9df3ccbc0cf7c14204ef2cc26f2527af761227cf75faed29079aafc18
PDF
Publication page8e704733027064ef8d69eb30a2bfb2b564a3ec597e65066cd7da27ec8e1b9c4e
Manifest750d1fe5923c3f7a7d0b43674c5c9e985a5cfc89035ac8f4f4fe33d6191dcd9e

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
SignaturemKV/IStRj+p8e9VC3yt5D/8okkR5DUgQvu8OE9uIdtpB8X93Z8dVTk+dL+fe8SfLENTXllHPqQnluTuC8GS5Cw==
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

2026-09-17T11:59:36.832703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018945
observed 8e704733027064ef8d69eb30a2bfb2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.815030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018945/manifest.json
observed 750d1fe5923c3f7a7d0b43674c5c9e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.794256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018945/publication.md
observed c50b25f9df3ccbc0cf7c14204ef2cc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.776209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018945/publication.txt
observed be5da7e2c3157a03659159a437fa9ddf...
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.