Pith Number

pith:KFOJPZUY

pith:2019:KFOJPZUYR4OZAN6YERLLTZ2M36

not attested not anchored not stored refs pending

Ruling out the supersoft high-density symmetry energy from the discovery of PSR J0740+6620 with mass $2.14^{+0.10}_{-0.09}M_\odot$

Lie-Wen Chen, Ying Zhou

arxiv:1907.12284 v2 · 2019-07-29 · nucl-th · astro-ph.HE · astro-ph.SR · hep-ph · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFOJPZUYR4OZAN6YERLLTZ2M36}

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	2026-07-05T04:25:38.543856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515c97e6988f1d9037d82456b9e74cdf8cc7f15b3461488c8f692e7e936774aa

Aliases

arxiv: 1907.12284 · arxiv_version: 1907.12284v2 · doi: 10.48550/arxiv.1907.12284 · pith_short_12: KFOJPZUYR4OZ · pith_short_16: KFOJPZUYR4OZAN6Y · pith_short_8: KFOJPZUY

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/KFOJPZUYR4OZAN6YERLLTZ2M36 \
  | 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: 515c97e6988f1d9037d82456b9e74cdf8cc7f15b3461488c8f692e7e936774aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0d0328d6d296316fd5e73a04e41fb55e4ab46ed4bafa30ebc8fe9647d1d2ba",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR",
      "hep-ph",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2019-07-29T08:59:56Z",
    "title_canon_sha256": "cfd4254fd595cb55dd7175f70784a1a57e115580289108b42554c6b35820c573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12284",
    "kind": "arxiv",
    "version": 2
  }
}