OpenTechnical

OT-2026-000057474

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057474) never changes.

Identity and time

Publication numberOT-2026-000057474 · never reused
Internal UUID01a0ae88-2692-709f-a89a-cfd6b3215c88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057474
StatusPUBLIC

Content hashes

Canonical text0b8f4434f98d28a12ad80a45ed9086ff3515d2e22e5f31ddc0a6908fea801cf1
Markdownc7930fa135f463d49f1c987a608adfbb855661e40f0327cb8c7772b150fc5bda
PDF
Publication pagef499f600869434d3e5a4e523a2485c96390c287fde147bb6f43bfcd249f145f1
Manifest058378743d23f9da44c47c84b9a3b43bf418fb9cdd6b4ce4489276ed771518f2

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
SignatureB42IU8Cucdv9aoM3RhvDR6aEoGNWnFmQPO/W61Jj/jvtDeSIae26dExdgGG2qfnXE2M5P2altAHqeagnMDbgDw==
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...

Independent retrieval

2026-09-17T10:47:59.594384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057474
observed f499f600869434d3e5a4e523a2485c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.575724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057474/manifest.json
observed 058378743d23f9da44c47c84b9a3b43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.557002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057474/publication.md
observed c7930fa135f463d49f1c987a608adfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.537175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057474/publication.txt
observed 0b8f4434f98d28a12ad80a45ed9086ff...
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.