Pith Number

pith:O6JVAZRI

pith:2016:O6JVAZRI44IWXPOZPJYDUZZKXG

not attested not anchored not stored refs pending

Terrestrial Effects Of Nearby Supernovae In The Early Pleistocene

A. C. Overholt (MidAmerica Univ.), A. L. Melott (Univ. Kansas), Brian C. Thomas (Washburn Univ.), D.V. Semikoz (U. Paris Diderot, E. E. Engler (Washburn Univ.), M. Kachelrie{\ss} (NTNU), Nat. Res. Nuclear U.)

arxiv:1605.04926 v2 · 2016-05-16 · astro-ph.HE · astro-ph.EP · physics.ao-ph · physics.geo-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6JVAZRI44IWXPOZPJYDUZZKXG}

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	2026-05-18T01:11:04.691855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7793506628e7116bbdd97a703a672ab9ad3570d039efb5aac8c10995fcfcc7ca

Aliases

arxiv: 1605.04926 · arxiv_version: 1605.04926v2 · doi: 10.48550/arxiv.1605.04926 · pith_short_12: O6JVAZRI44IW · pith_short_16: O6JVAZRI44IWXPOZ · pith_short_8: O6JVAZRI

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/O6JVAZRI44IWXPOZPJYDUZZKXG \
  | 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: 7793506628e7116bbdd97a703a672ab9ad3570d039efb5aac8c10995fcfcc7ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ef6b63a33440b6d9e90b7038eb293fc7b6bda44700c6a0a7a9ec482df59b29",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.ao-ph",
      "physics.geo-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-05-16T20:04:08Z",
    "title_canon_sha256": "aaf46816252e1fcb4274105b72586fd40b17f7f4124b292371429c3b05b1a43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04926",
    "kind": "arxiv",
    "version": 2
  }
}