Pith Number

pith:2DFHPYPM

pith:2014:2DFHPYPMJU4DTA7PZYOC7TQ5P5

not attested not anchored not stored refs pending

Searching Signals in Chinese Ancient Records for the $^{14}$C Increases in AD 774-775 and in AD 992-993

Ya-Ting Chai (HUST), Yuan-Chuan Zou (HUST)

arxiv:1406.7306 v1 · 2014-06-26 · physics.hist-ph · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DFHPYPMJU4DTA7PZYOC7TQ5P5}

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	2026-05-18T00:10:04.665433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ca77e1ec4d383983efce1c2fce1d7f438ece1e7c0ddbd4bf33bf2f23e3c21f

Aliases

arxiv: 1406.7306 · arxiv_version: 1406.7306v1 · doi: 10.48550/arxiv.1406.7306 · pith_short_12: 2DFHPYPMJU4D · pith_short_16: 2DFHPYPMJU4DTA7P · pith_short_8: 2DFHPYPM

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/2DFHPYPMJU4DTA7PZYOC7TQ5P5 \
  | 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: d0ca77e1ec4d383983efce1c2fce1d7f438ece1e7c0ddbd4bf33bf2f23e3c21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777d132692ddb6f841a9c4b25d75bc40c978aa65aa7ade617ad8d605f9b747e7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-06-26T09:53:38Z",
    "title_canon_sha256": "44cb8c6c41523ddf3ff955db7223f1c68d5db1e52ecc272978de5a88de7ffc7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7306",
    "kind": "arxiv",
    "version": 1
  }
}