Pith Number

pith:65UCIROB

pith:2011:65UCIROB5DASE57MSS7XERIAOT

not attested not anchored not stored refs pending

Future Boundary Conditions in De Sitter Space

Andrew Strominger, Dionysios Anninos, Gim Seng Ng

arxiv:1106.1175 v1 · 2011-06-06 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65UCIROB5DASE57MSS7XERIAOT}

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	2026-05-18T02:01:41.574554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7682445c1e8c12277ec94bf72450074c167ca9f78bf1899db6183c02e921194

Aliases

arxiv: 1106.1175 · arxiv_version: 1106.1175v1 · doi: 10.48550/arxiv.1106.1175 · pith_short_12: 65UCIROB5DAS · pith_short_16: 65UCIROB5DASE57M · pith_short_8: 65UCIROB

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/65UCIROB5DASE57MSS7XERIAOT \
  | 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: f7682445c1e8c12277ec94bf72450074c167ca9f78bf1899db6183c02e921194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8c467f8757394d068daf0990813ddd1e46c5d4bbfd0558d6eba344b584fdf4a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-06-06T20:00:07Z",
    "title_canon_sha256": "b8468662cdecc9cbff1332ebd5e63e10cf2a2454ca9637feddbd78f27c171489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1175",
    "kind": "arxiv",
    "version": 1
  }
}