Pith Number

pith:SQBYT4OP

pith:2013:SQBYT4OPK56BPYPVKJC7X2756H

not attested not anchored not stored refs pending

Tracer Applications of Noble Gas Radionuclides in the Geosciences

B.M. Kennedy, D.K. Solomon, J.P. Severinghaus, N.C. Sturchio, P. Schlosser, R. Purtschert, R. Yokochi, T.P. Fischer, T. Tanhua, W.M. Smethie Jr., Z.-T. Lu

arxiv:1305.4608 v3 · 2013-05-20 · 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{SQBYT4OPK56BPYPVKJC7X2756H}

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	2026-05-18T03:15:18.074807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940389f1cf577c17e1f55245fbebfdf1f2322d7ea2172c1323670a604cca346d

Aliases

arxiv: 1305.4608 · arxiv_version: 1305.4608v3 · doi: 10.48550/arxiv.1305.4608 · pith_short_12: SQBYT4OPK56B · pith_short_16: SQBYT4OPK56BPYPV · pith_short_8: SQBYT4OP

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/SQBYT4OPK56BPYPVKJC7X2756H \
  | 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: 940389f1cf577c17e1f55245fbebfdf1f2322d7ea2172c1323670a604cca346d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b31e2d9ef87b488b4b0e0bcafc10c46c272ac263e09673a55b622249f7b618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2013-05-20T18:55:08Z",
    "title_canon_sha256": "060f24b5d1f35a8e067f200b3bf7deef628f78c576639564d8f446b3b4d026fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4608",
    "kind": "arxiv",
    "version": 3
  }
}