Pith Number

pith:T4GSGTEI

pith:2015:T4GSGTEIW4NIHWAYU6UJGLN2LT

not attested not anchored not stored refs pending

Thickness Measurements from Single X-ray Phase-contrast Speckle Projection

Jingchen Ma, Jun Zhao, Rongbiao Tang, Yan Xi

arxiv:1504.06388 v1 · 2015-04-24 · physics.med-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4GSGTEIW4NIHWAYU6UJGLN2LT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:17:53.815281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0d234c88b71a83d818a7a8932dba5cd7367324abb64f05bdd4a76ba286530b

Aliases

arxiv: 1504.06388 · arxiv_version: 1504.06388v1 · doi: 10.48550/arxiv.1504.06388 · pith_short_12: T4GSGTEIW4NI · pith_short_16: T4GSGTEIW4NIHWAY · pith_short_8: T4GSGTEI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T4GSGTEIW4NIHWAYU6UJGLN2LT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f0d234c88b71a83d818a7a8932dba5cd7367324abb64f05bdd4a76ba286530b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085dea39efa7042ee38cbb325f3ab79bb696dbed251f6fce16836387907b1dc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-04-24T04:19:13Z",
    "title_canon_sha256": "280e0df19dc2739c6218558a0dc4b5a331bb7241ceb8f3943fe691ee20dcb7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06388",
    "kind": "arxiv",
    "version": 1
  }
}