Pith Number

pith:JBQASEGK

pith:2021:JBQASEGKP7IJ4HGBPLXMFXEPA7

not attested not anchored not stored refs pending

Dense Molecular Clouds in the Crab Supernova Remnant

A. Castro-Carrizo, A. C. Fabian, Alwyn Wootten, C.N. Shingledecker, E. Loh, F. Combes, G. J. Ferland, J. Baldwin, P. Salome, Rory O. Bentley

arxiv:2111.06033 v1 · 2021-11-11 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBQASEGKP7IJ4HGBPLXMFXEPA7}

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	2026-07-05T03:53:11.220921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48600910ca7fd09e1cc17aeec2dc8f07eaf920bf5137b37430c0014b4dc9cdd3

Aliases

arxiv: 2111.06033 · arxiv_version: 2111.06033v1 · doi: 10.48550/arxiv.2111.06033 · pith_short_12: JBQASEGKP7IJ · pith_short_16: JBQASEGKP7IJ4HGB · pith_short_8: JBQASEGK

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/JBQASEGKP7IJ4HGBPLXMFXEPA7 \
  | 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: 48600910ca7fd09e1cc17aeec2dc8f07eaf920bf5137b37430c0014b4dc9cdd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c8e5816b86887898dacdf8561f2856ac7a35fe7f6121808303c9c11412b343",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-11T03:09:11Z",
    "title_canon_sha256": "4ebf63e90f9eb05a3a2ab83a226ef9b32a5cbc903d3398ed4af7c1e849a716e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06033",
    "kind": "arxiv",
    "version": 1
  }
}