Pith Number

pith:WSJDM6HO

pith:2021:WSJDM6HO6UUIA2M4BLZGQPQZ4G

not attested not anchored not stored refs pending

High-precision nuclear chronometer for the cosmos

J. Meng, P. W. Zhao, S. Q. Zhang, X. H. Wu

arxiv:2108.06104 v1 · 2021-08-13 · nucl-th · astro-ph.CO · astro-ph.IM · 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{WSJDM6HO6UUIA2M4BLZGQPQZ4G}

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	2026-07-05T05:28:19.086549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4923678eef52880699c0af2683e19e1b56ab9ba5f3085ecb2d8c1f105857c2c

Aliases

arxiv: 2108.06104 · arxiv_version: 2108.06104v1 · doi: 10.48550/arxiv.2108.06104 · pith_short_12: WSJDM6HO6UUI · pith_short_16: WSJDM6HO6UUIA2M4 · pith_short_8: WSJDM6HO

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/WSJDM6HO6UUIA2M4BLZGQPQZ4G \
  | 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: b4923678eef52880699c0af2683e19e1b56ab9ba5f3085ecb2d8c1f105857c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f1ba38e9e52be0ae0ac679718f467aef1f36b4a7c1e425777d653b6d246dcb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-08-13T07:29:11Z",
    "title_canon_sha256": "d4d764af3478e06fa13802be46a73260e36a41f15bb6c99003c6b8929dc11d91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06104",
    "kind": "arxiv",
    "version": 1
  }
}