Pith Number

pith:BZOPCXX6

pith:2011:BZOPCXX6USMA6QOVHGIFZ2S5KD

not attested not anchored not stored refs pending

Glimpsing Colour in a World of Black and White

M.R. Pennington

arxiv:1110.4125 v1 · 2011-10-18 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZOPCXX6USMA6QOVHGIFZ2S5KD}

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	2026-05-18T02:00:08.948025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e5cf15efea4980f41d539905cea5d50e3b9f0f2783364efe08dc9c2b959b8f2

Aliases

arxiv: 1110.4125 · arxiv_version: 1110.4125v1 · doi: 10.48550/arxiv.1110.4125 · pith_short_12: BZOPCXX6USMA · pith_short_16: BZOPCXX6USMA6QOV · pith_short_8: BZOPCXX6

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/BZOPCXX6USMA6QOVHGIFZ2S5KD \
  | 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: 0e5cf15efea4980f41d539905cea5d50e3b9f0f2783364efe08dc9c2b959b8f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b7f8a9cf87c5332e245763b44bbb861c0c0c2a750135e69e6fc5d3a243b1b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-10-18T21:14:32Z",
    "title_canon_sha256": "5ea60e6cdd9a5265e4ba351331e64d2a44f57ea523e077ed0b6d2ad18913dc5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4125",
    "kind": "arxiv",
    "version": 1
  }
}