Pith Number

pith:JF3REAKV

pith:2014:JF3REAKV7FOTODKB34PAU3T4GD

not attested not anchored not stored refs pending

Radiometric 81Kr dating identifies 120,000 year old ice at Taylor Glacier, Antarctica

Christo Buizert, Daniel Baggenstos, Edward J. Brook, James Lee, Jeffrey P. Severinghaus, Peter Mueller, Roland Purtschert, Tanner Kuhl, Vasilii V. Petrenko, Wei Jiang, Zheng-Tian Lu

arxiv:1403.6201 v1 · 2014-03-25 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JF3REAKV7FOTODKB34PAU3T4GD}

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	2026-05-18T02:51:58.396658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4977120155f95d370d41df1e0a6e7c30f719a91ad1133d2c51bd2ff613f7caf7

Aliases

arxiv: 1403.6201 · arxiv_version: 1403.6201v1 · doi: 10.48550/arxiv.1403.6201 · pith_short_12: JF3REAKV7FOT · pith_short_16: JF3REAKV7FOTODKB · pith_short_8: JF3REAKV

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/JF3REAKV7FOTODKB34PAU3T4GD \
  | 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: 4977120155f95d370d41df1e0a6e7c30f719a91ad1133d2c51bd2ff613f7caf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0017dd8ca6a510a5af86cf9ffa295ccb246387ab2131348858a6e446ce9ecf5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2014-03-25T00:51:53Z",
    "title_canon_sha256": "50a96bb14d84f7d67e82a66979e8910baba4e8177c78547b05ad0cd5dc460183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6201",
    "kind": "arxiv",
    "version": 1
  }
}