Pith Number

pith:J6UK5ILN

pith:2011:J6UK5ILNR5ICOMQ7J7FIRQLPJM

not attested not anchored not stored refs pending

Baby Universes Revisited

J. Ambjorn, J. Barkley, R. Loll, T. Budd

arxiv:1110.3998 v1 · 2011-10-18 · hep-th · gr-qc · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6UK5ILNR5ICOMQ7J7FIRQLPJM}

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	2026-05-18T04:04:06.495219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa8aea16d8f5027321f4fca88c16f4b29f41f15ffee15eba58c7bb4cb7a73d8

Aliases

arxiv: 1110.3998 · arxiv_version: 1110.3998v1 · doi: 10.48550/arxiv.1110.3998 · pith_short_12: J6UK5ILNR5IC · pith_short_16: J6UK5ILNR5ICOMQ7 · pith_short_8: J6UK5ILN

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/J6UK5ILNR5ICOMQ7J7FIRQLPJM \
  | 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: 4fa8aea16d8f5027321f4fca88c16f4b29f41f15ffee15eba58c7bb4cb7a73d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a734389cb40194d4abc22d7f781d953e792bc985c9f2b41f066b6ece2eff6e2d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-lat"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-10-18T14:31:47Z",
    "title_canon_sha256": "8ce7320a7be35903ed41aa0320b43fbf32e2841c46d144d8f34388d5944a79f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3998",
    "kind": "arxiv",
    "version": 1
  }
}