Pith Number

pith:HJPUZGUI

pith:2011:HJPUZGUI5XADSHP4EB7IQZNEJ2

not attested not anchored not stored refs pending

New solution to the puzzle of the long lifetime of 14C

D. Robson

arxiv:1101.5350 v1 · 2011-01-27 · nucl-th · 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{HJPUZGUI5XADSHP4EB7IQZNEJ2}

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	2026-05-18T02:22:42.401066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a5f4c9a88edc0391dfc207e8865a44ebfcda3a1e7dcc9483b43edac93271dbc

Aliases

arxiv: 1101.5350 · arxiv_version: 1101.5350v1 · doi: 10.48550/arxiv.1101.5350 · pith_short_12: HJPUZGUI5XAD · pith_short_16: HJPUZGUI5XADSHP4 · pith_short_8: HJPUZGUI

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/HJPUZGUI5XADSHP4EB7IQZNEJ2 \
  | 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: 3a5f4c9a88edc0391dfc207e8865a44ebfcda3a1e7dcc9483b43edac93271dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c8d37852c1eb621322b80670a08e0cd82e00b140281a229712b0cd6cacea724",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-01-27T17:56:41Z",
    "title_canon_sha256": "2e22c70135c2e948dfe09b9a1be34f21444d91d192c4b9941be429fd9ce90f94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5350",
    "kind": "arxiv",
    "version": 1
  }
}