Pith Number

pith:4MOB4BEI

pith:2012:4MOB4BEINZENLUBQCMSXSL7GMF

not attested not anchored not stored refs pending

Influence of synchrotron self-absorption on the 21cm experiments

Haiguang Xu, Jingying Wang, Jun-Hua Gu, Qian Zheng, Xiang-Ping Wu

arxiv:1205.1113 v1 · 2012-05-05 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MOB4BEINZENLUBQCMSXSL7GMF}

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	2026-05-18T01:57:37.747156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e31c1e04886e48d5d0301325792fe6614cc982836c10811b7b120daf540df358

Aliases

arxiv: 1205.1113 · arxiv_version: 1205.1113v1 · doi: 10.48550/arxiv.1205.1113 · pith_short_12: 4MOB4BEINZEN · pith_short_16: 4MOB4BEINZENLUBQ · pith_short_8: 4MOB4BEI

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/4MOB4BEINZENLUBQCMSXSL7GMF \
  | 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: e31c1e04886e48d5d0301325792fe6614cc982836c10811b7b120daf540df358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf1d38c79fb3432c9904a7fa0be863eb69a5ba7ba68c50bcb29d3b3513cd297",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-05T08:40:43Z",
    "title_canon_sha256": "1b04a17baa531cbfa7876847f6f45e952f9137adcfb5d94eaa41a14b1a5b3d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1113",
    "kind": "arxiv",
    "version": 1
  }
}