Pith Number

pith:YXN55X4B

pith:2009:YXN55X4B3W5IVG6C7KW4CHB4FM

not attested not anchored not stored refs pending

Coherent $\rho^0$ photoproduction in bulk matter at high energies

Elsa Couderc, Spencer Klein

arxiv:0901.1161 v1 · 2009-01-09 · nucl-th · astro-ph.CO · hep-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{YXN55X4B3W5IVG6C7KW4CHB4FM}

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	2026-07-04T17:31:05.687310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5dbdedf81ddba8a9bc2faadc11c3c2b3b05f8f7c9bd25fed7226652bc2e7b5f

Aliases

arxiv: 0901.1161 · arxiv_version: 0901.1161v1 · doi: 10.48550/arxiv.0901.1161 · pith_short_12: YXN55X4B3W5I · pith_short_16: YXN55X4B3W5IVG6C · pith_short_8: YXN55X4B

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/YXN55X4B3W5IVG6C7KW4CHB4FM \
  | 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: c5dbdedf81ddba8a9bc2faadc11c3c2b3b05f8f7c9bd25fed7226652bc2e7b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c414915cc1bd35db91fed7ed7204d92ed4f9c07ddb92d8de8f768fc31db227",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2009-01-09T01:05:50Z",
    "title_canon_sha256": "da2a230bdc8582a80feaa4b8ad3676cb4144bf1b2b22267458bf2e23c4f24a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1161",
    "kind": "arxiv",
    "version": 1
  }
}