Pith Number

pith:I3WRSG6M

pith:2017:I3WRSG6MTXO3MRKQVIJ2R4TYOO

not attested not anchored not stored refs pending

Unitary null energy condition violation in $P(X)$ cosmologies

Claudia de Rham, Scott Melville

arxiv:1703.00025 v2 · 2017-02-28 · 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{I3WRSG6MTXO3MRKQVIJ2R4TYOO}

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	2026-05-18T00:41:51.038976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ed191bcc9dddb64550aa13a8f27873a118c4838c3abdbaf8827fa3c3bad7f5

Aliases

arxiv: 1703.00025 · arxiv_version: 1703.00025v2 · doi: 10.48550/arxiv.1703.00025 · pith_short_12: I3WRSG6MTXO3 · pith_short_16: I3WRSG6MTXO3MRKQ · pith_short_8: I3WRSG6M

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/I3WRSG6MTXO3MRKQVIJ2R4TYOO \
  | 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: 46ed191bcc9dddb64550aa13a8f27873a118c4838c3abdbaf8827fa3c3bad7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f823a413e029da610b45579c71fd106f727eaf4fbc52cff8e1f697914e7979",
    "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": "2017-02-28T19:02:28Z",
    "title_canon_sha256": "c6cdfa1bb5bac5811d6d492b91939e34db6b9a0cae2805cd6824c7e637e53758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00025",
    "kind": "arxiv",
    "version": 2
  }
}