Pith Number

pith:HR5XGX4O

pith:2009:HR5XGX4OLVNA3PIJQIPCOYMH34

not attested not anchored not stored refs pending

Interacting agegraphic tachyon model of dark energy

A. Sheykhi

arxiv:0907.2491 v2 · 2009-07-15 · 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{HR5XGX4OLVNA3PIJQIPCOYMH34}

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	2026-05-18T02:13:03.005394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c7b735f8e5d5a0dbd09821e276187df369485241ff7c2934797f72547c32223

Aliases

arxiv: 0907.2491 · arxiv_version: 0907.2491v2 · doi: 10.48550/arxiv.0907.2491 · pith_short_12: HR5XGX4OLVNA · pith_short_16: HR5XGX4OLVNA3PIJ · pith_short_8: HR5XGX4O

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/HR5XGX4OLVNA3PIJQIPCOYMH34 \
  | 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: 3c7b735f8e5d5a0dbd09821e276187df369485241ff7c2934797f72547c32223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed341c9b4a0d5cd4d1ae7d956592680021281005c4579b609713ed09c59f220b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-07-15T05:21:04Z",
    "title_canon_sha256": "0dffd58ca14736944a2c7f3c88f5428c7cc5e6f72bc16598034df8547d12e16d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2491",
    "kind": "arxiv",
    "version": 2
  }
}