Pith Number

pith:BBD2T6HB

pith:2013:BBD2T6HBRK7Y5QIDYHIYI4MJTP

not attested not anchored not stored refs pending

X-ray Emission from the Galactic Supernova Remnant G272.2-3.2

Nolan Grieves, Randall L. McEntaffer, Thomas Brantseg

arxiv:1301.0674 v1 · 2013-01-04 · astro-ph.HE · 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{BBD2T6HBRK7Y5QIDYHIYI4MJTP}

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	2026-05-18T03:37:17.922230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0847a9f8e18abf8ec103c1d18471899bf8e03f39f30b1914ed4835b0713602ba

Aliases

arxiv: 1301.0674 · arxiv_version: 1301.0674v1 · doi: 10.48550/arxiv.1301.0674 · pith_short_12: BBD2T6HBRK7Y · pith_short_16: BBD2T6HBRK7Y5QID · pith_short_8: BBD2T6HB

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/BBD2T6HBRK7Y5QIDYHIYI4MJTP \
  | 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: 0847a9f8e18abf8ec103c1d18471899bf8e03f39f30b1914ed4835b0713602ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e493d5a7e8a9ee3576f84dde59e19fa12dc9d547c415f4eb95b6a0cfc28cfb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-04T05:48:19Z",
    "title_canon_sha256": "3417885526effbbea6c8f3cd53dd694a7095d6be4288ff05b83426e1762d20b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0674",
    "kind": "arxiv",
    "version": 1
  }
}