Pith Number

pith:RQKBL2P7

pith:2015:RQKBL2P73AYJG7GWN52LIET5KN

not attested not anchored not stored refs pending

Edgar Allan Poe: the first man to conceive a Newtonian evolving Universe

Alberto Cappi, Paolo Molaro

arxiv:1506.05218 v1 · 2015-06-17 · physics.hist-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQKBL2P73AYJG7GWN52LIET5KN}

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	2026-05-18T01:46:12.749067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1415e9ffd830937cd66f74b4127d537673eb4b4513076f6fa8085018ceebf8

Aliases

arxiv: 1506.05218 · arxiv_version: 1506.05218v1 · doi: 10.48550/arxiv.1506.05218 · pith_short_12: RQKBL2P73AYJ · pith_short_16: RQKBL2P73AYJG7GW · pith_short_8: RQKBL2P7

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/RQKBL2P73AYJG7GWN52LIET5KN \
  | 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: 8c1415e9ffd830937cd66f74b4127d537673eb4b4513076f6fa8085018ceebf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c58fdb451fc8c43d193e455f0d0139875b459539818bd8fb5291558c9a36fd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-06-17T06:38:50Z",
    "title_canon_sha256": "2092f87c81ad6d8621ea11110c662b0c0a08e10ff6e2e18e2eba537936a5bc95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05218",
    "kind": "arxiv",
    "version": 1
  }
}