OpenTechnical

OT-2026-000054480

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054480) never changes.

Identity and time

Publication numberOT-2026-000054480 · never reused
Internal UUID01a0ae86-1283-7a45-9bb0-a05d6546bdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054480
StatusPUBLIC

Content hashes

Canonical textea27782a4469d540c084b1c34dcdbbcc6f4ff239b538a19a413f870425144847
Markdown0d80a4e0f226abc420abfa07e9a1bb67b43220bd17b3514c7d0e6298f6453b7f
PDF
Publication paged4001a3f5f286f8750c1796fea607e501f8507708d79ef1b766f531a32e47721
Manifest57f5013b349e8d76568b232f3396101a83eb421cc4319e8b56987aa9ace1e907

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
SignaturezkYx2dakEUUtglTQUTncS6bII9HD3jgefH00ZyKsvREopnAn0dJ4mpoO/drZgTTRiBcIydwE5mwCDpXsgTNxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:28.620998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054480
observed d4001a3f5f286f8750c1796fea607e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.603298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054480/manifest.json
observed 57f5013b349e8d76568b232f3396101a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.587181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054480/publication.md
observed 0d80a4e0f226abc420abfa07e9a1bb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.569198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054480/publication.txt
observed ea27782a4469d540c084b1c34dcdbbcc...
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.