Pith Number

pith:O5NYZEXW

pith:2011:O5NYZEXWEMB4URN6O54O3FE7X4

not attested not anchored not stored refs pending

Seeking String Theory in the Cosmos

Edmund J. Copeland, Levon Pogosian, Tanmay Vachaspati

arxiv:1105.0207 v2 · 2011-05-01 · hep-th · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5NYZEXWEMB4URN6O54O3FE7X4}

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	2026-05-18T02:02:10.516685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775b8c92f62303ca45be7778ed949fbf23318085737ff2f0db557358f85f7ee8

Aliases

arxiv: 1105.0207 · arxiv_version: 1105.0207v2 · doi: 10.48550/arxiv.1105.0207 · pith_short_12: O5NYZEXWEMB4 · pith_short_16: O5NYZEXWEMB4URN6 · pith_short_8: O5NYZEXW

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/O5NYZEXWEMB4URN6O54O3FE7X4 \
  | 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: 775b8c92f62303ca45be7778ed949fbf23318085737ff2f0db557358f85f7ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6cd62ba02f90aefd425b039d893d4e12db62ea173e7fde7a2d3fe8e76b8f534",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-05-01T21:10:56Z",
    "title_canon_sha256": "273be9ffde4742ae3f10c2f11a37f75b73dd77e6ca0bfe29601a133214bfadde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0207",
    "kind": "arxiv",
    "version": 2
  }
}