Pith Number

pith:O23WB4TQ

pith:2009:O23WB4TQD5KYHWSCTXAD5RFBHH

not attested not anchored not stored refs pending

Holography at an Extremal De Sitter Horizon

Dionysios Anninos, Thomas Hartman

arxiv:0910.4587 v1 · 2009-10-23 · 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{O23WB4TQD5KYHWSCTXAD5RFBHH}

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	2026-05-18T02:11:12.018604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b760f2701f5583da429dc03ec4a139d9254ff1bf67447d4b44011fdf2c6239

Aliases

arxiv: 0910.4587 · arxiv_version: 0910.4587v1 · doi: 10.48550/arxiv.0910.4587 · pith_short_12: O23WB4TQD5KY · pith_short_16: O23WB4TQD5KYHWSC · pith_short_8: O23WB4TQ

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/O23WB4TQD5KYHWSCTXAD5RFBHH \
  | 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: 76b760f2701f5583da429dc03ec4a139d9254ff1bf67447d4b44011fdf2c6239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d9e039e846552c88e4d853eb42dfd8479058e55faff2034e007a0c3e7af5dd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-23T20:03:47Z",
    "title_canon_sha256": "659e1d6b1c5be6ffaa95fc1a558e26ac96630ca6e3b6030e3a5df2b65795037f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4587",
    "kind": "arxiv",
    "version": 1
  }
}