Pith Number

pith:NM47NS74

pith:2012:NM47NS74WN6WPGZLC6K2O2T52N

not attested not anchored not stored refs pending

New experimental evidence that the proton develops asymptotically into a black disk

Francis Halzen, Martin M. Block

arxiv:1208.4086 v1 · 2012-08-20 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NM47NS74WN6WPGZLC6K2O2T52N}

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	2026-05-18T01:55:09.114996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b39f6cbfcb37d679b2b1795a76a7dd373d48df4d82d977d761c27619ea703da

Aliases

arxiv: 1208.4086 · arxiv_version: 1208.4086v1 · doi: 10.48550/arxiv.1208.4086 · pith_short_12: NM47NS74WN6W · pith_short_16: NM47NS74WN6WPGZL · pith_short_8: NM47NS74

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/NM47NS74WN6WPGZLC6K2O2T52N \
  | 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: 6b39f6cbfcb37d679b2b1795a76a7dd373d48df4d82d977d761c27619ea703da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21ce396153fda3eafba99aae7ef8c2aebef2a97b476c9509162fa74144cea766",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-08-20T19:20:53Z",
    "title_canon_sha256": "2ab3abba423f37ae8e2437668acb6631552a9f5fac94c17adf898cbd6ce41035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4086",
    "kind": "arxiv",
    "version": 1
  }
}