Pith Number

pith:M2DR7FGW

pith:2020:M2DR7FGWH5Q4B5WWQQJ7L7JUQH

not attested not anchored not stored refs pending

Chemical abundances in Sgr A East: evidence for a Type Iax supernova remnant

Jacco Vink, Ken'ichi Nomoto, Ping Zhou, Shing-Chi Leung, Yang Chen, Zhiyuan Li

arxiv:2006.15049 v2 · 2020-06-26 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2DR7FGWH5Q4B5WWQQJ7L7JUQH}

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	2026-07-05T02:15:25.345341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66871f94d63f61c0f6d68413f5fd3481ca38ca0e8da820237d7b9257e2080c86

Aliases

arxiv: 2006.15049 · arxiv_version: 2006.15049v2 · doi: 10.48550/arxiv.2006.15049 · pith_short_12: M2DR7FGWH5Q4 · pith_short_16: M2DR7FGWH5Q4B5WW · pith_short_8: M2DR7FGW

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/M2DR7FGWH5Q4B5WWQQJ7L7JUQH \
  | 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: 66871f94d63f61c0f6d68413f5fd3481ca38ca0e8da820237d7b9257e2080c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804107168e54f4359e949d7a34955d79634a2ca1f9f749f025ebe1a4c5b9ca45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-26T15:26:09Z",
    "title_canon_sha256": "839dc725ff8cfa32a06b09f38cb79309ad7bb0a24779ab9959aa7c63946de56f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.15049",
    "kind": "arxiv",
    "version": 2
  }
}