Pith Number

pith:PEB2ZBNE

pith:2011:PEB2ZBNEINTBV5XXRDJJB4TA6L

not attested not anchored not stored refs pending

Experimental Confirmation that the Proton is Asymptotically a Black Disk

Francis Halzen, Martin M. Block

arxiv:1109.2041 v1 · 2011-09-09 · hep-ph · hep-ex · hep-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{PEB2ZBNEINTBV5XXRDJJB4TA6L}

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	2026-05-18T02:00:37.149813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7903ac85a443661af6f788d290f260f2ce9265448e71d563034a649656cf0dc1

Aliases

arxiv: 1109.2041 · arxiv_version: 1109.2041v1 · doi: 10.48550/arxiv.1109.2041 · pith_short_12: PEB2ZBNEINTB · pith_short_16: PEB2ZBNEINTBV5XX · pith_short_8: PEB2ZBNE

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/PEB2ZBNEINTBV5XXRDJJB4TA6L \
  | 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: 7903ac85a443661af6f788d290f260f2ce9265448e71d563034a649656cf0dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d986f3048ddd79ff0ed4d278cc832e69aad77eb227ea108403125ac7cb3d90d",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-09-09T15:16:38Z",
    "title_canon_sha256": "5396fb411a1f39124ec4ec07278de91e2f1a561deba0a48c0f8c7a943eb3885b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2041",
    "kind": "arxiv",
    "version": 1
  }
}