Pith Number

pith:7QDW2B4H

pith:2019:7QDW2B4HOA7JODS34Q7GDRB3ZK

not attested not anchored not stored refs pending

Momentum and energy injection by a supernova remnant into an inhomogeneous medium

Julian M. Pittard

arxiv:1907.03519 v1 · 2019-07-08 · 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{7QDW2B4HOA7JODS34Q7GDRB3ZK}

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	2026-05-17T23:40:29.715851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc076d0787703e970e5be43e61c43bca8e128085a0393719eb876e8bc8f25a55

Aliases

arxiv: 1907.03519 · arxiv_version: 1907.03519v1 · doi: 10.48550/arxiv.1907.03519 · pith_short_12: 7QDW2B4HOA7J · pith_short_16: 7QDW2B4HOA7JODS3 · pith_short_8: 7QDW2B4H

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/7QDW2B4HOA7JODS34Q7GDRB3ZK \
  | 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: fc076d0787703e970e5be43e61c43bca8e128085a0393719eb876e8bc8f25a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db29c3248c7fa591fccd21c66409d253be464e862b6f456c791adfc47cf1cd7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-08T11:19:57Z",
    "title_canon_sha256": "63331f99d9a0e466651eec3670f43d1e21a735cb26471a26b3667e60e7e0457c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03519",
    "kind": "arxiv",
    "version": 1
  }
}