Pith Number

pith:EFGF7O2P

pith:2022:EFGF7O2PMHMBO5QKFAS5IXZOG6

not attested not anchored not stored refs pending

Towards a Dark Sector Model from String Theory

ETH), Heliudson Bernardo, J\"urg Fr\"ohlich (McGill, Robert Brandenberger

arxiv:2201.04668 v2 · 2022-01-12 · 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{EFGF7O2PMHMBO5QKFAS5IXZOG6}

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	2026-07-05T04:59:18.425299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214c5fbb4f61d817760a2825d45f2e37a7fbb7d4a7803ffb4b3edc4a515471ef

Aliases

arxiv: 2201.04668 · arxiv_version: 2201.04668v2 · doi: 10.48550/arxiv.2201.04668 · pith_short_12: EFGF7O2PMHMB · pith_short_16: EFGF7O2PMHMBO5QK · pith_short_8: EFGF7O2P

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/EFGF7O2PMHMBO5QKFAS5IXZOG6 \
  | 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: 214c5fbb4f61d817760a2825d45f2e37a7fbb7d4a7803ffb4b3edc4a515471ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea6dd76652fd08e37bd9fb07d7881231b179402a40620b0a3dcf8a88ad25eaf",
    "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": "2022-01-12T19:44:45Z",
    "title_canon_sha256": "891adde873cd2f5b9c4d2379d2149cd5bd3011dcd2f498a03ea891ce6629cdde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04668",
    "kind": "arxiv",
    "version": 2
  }
}