Pith Number

pith:JIRFNKSF

pith:2013:JIRFNKSFCD5B3ITJJE5LVYZTBW

not attested not anchored not stored refs pending

CO rotational line emission from a dense knot in Cas A Evidence for active post-reverse-shock chemistry

Alexander G. G. M. Tielens, Chiara Biscaro, Francisco Salgado, Isabelle Cherchneff, Jeonghee Rho, John H. Black, Olivier Bern\'e, S\'ebastien Muller, Sofia H. J. Wallstr\"om

arxiv:1309.4229 v1 · 2013-09-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIRFNKSFCD5B3ITJJE5LVYZTBW}

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	2026-05-18T01:47:36.784148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a2256aa4510fa1da269493abae3330d99b56d92e61452d13dce274291d94467

Aliases

arxiv: 1309.4229 · arxiv_version: 1309.4229v1 · doi: 10.48550/arxiv.1309.4229 · pith_short_12: JIRFNKSFCD5B · pith_short_16: JIRFNKSFCD5B3ITJ · pith_short_8: JIRFNKSF

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/JIRFNKSFCD5B3ITJJE5LVYZTBW \
  | 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: 4a2256aa4510fa1da269493abae3330d99b56d92e61452d13dce274291d94467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94dae635145bc751e3039b2f2880c91e14ad0a622d475d2aa730fe05617f794f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-17T08:44:48Z",
    "title_canon_sha256": "580621e6b948bfebd7bf9b3ed5da7080829f9757f4b713383deae13c48e289d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4229",
    "kind": "arxiv",
    "version": 1
  }
}