Pith Number

pith:DPL5KSTS

pith:2016:DPL5KSTSTKTOV5INAQVNJ7RSCX

not attested not anchored not stored refs pending

Records of sunspot and aurora activity during 581-959 CE in Chinese official histories in the periods of Su\'i, T\'ang, and the Five Dynasties and Ten Kingdoms

Akito Davis Kawamura, Asuka Tsukamoto, Harufumi Tamazawa, Hiroaki Isobe, Hisashi Hayakawa, Yusuke Ebihara

arxiv:1612.03283 v1 · 2016-12-10 · physics.hist-ph · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPL5KSTSTKTOV5INAQVNJ7RSCX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:49:57.830268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd7d54a729aa6eaf50d042ad4fe3215ce3db2d358d450e7c6089a3192164d9e

Aliases

arxiv: 1612.03283 · arxiv_version: 1612.03283v1 · doi: 10.48550/arxiv.1612.03283 · pith_short_12: DPL5KSTSTKTO · pith_short_16: DPL5KSTSTKTOV5IN · pith_short_8: DPL5KSTS

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/DPL5KSTSTKTOV5INAQVNJ7RSCX \
  | 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: 1bd7d54a729aa6eaf50d042ad4fe3215ce3db2d358d450e7c6089a3192164d9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecdb65403a2113c416f957ed13dcef426e2496017559b5ff983d73ff3e2fcb9d",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2016-12-10T11:55:28Z",
    "title_canon_sha256": "5a20957f31cfe8c6a8b07095e950401d6f857435e2ca70e6e37d0f967507c9f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03283",
    "kind": "arxiv",
    "version": 1
  }
}