Pith Number

pith:OTOMCXGL

pith:2015:OTOMCXGLDLNHZVX5UEPELL6O2A

not attested not anchored not stored refs pending

Variations of 14-C around AD 775 and AD 1795 - due to solar activity

Dagmar Neuhaeuser (Jena), Ralph Neuhaeuser (U Jena)

arxiv:1508.06745 v1 · 2015-08-27 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTOMCXGLDLNHZVX5UEPELL6O2A}

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	2026-05-18T01:23:23.432510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc

Aliases

arxiv: 1508.06745 · arxiv_version: 1508.06745v1 · doi: 10.48550/arxiv.1508.06745 · pith_short_12: OTOMCXGLDLNH · pith_short_16: OTOMCXGLDLNHZVX5 · pith_short_8: OTOMCXGL

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/OTOMCXGLDLNHZVX5UEPELL6O2A \
  | 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: 74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "061b625fa4746fcc2169a2c937f1fa35aa59cfa90999e8ad2288c4e9926a09b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-27T08:13:50Z",
    "title_canon_sha256": "58301a2bc10c046f9e5827d3b5faf58f56c7c241d6defa71bffe9f1d83c3eb53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06745",
    "kind": "arxiv",
    "version": 1
  }
}