Pith Number

pith:24XHGRNC

pith:2003:24XHGRNCUEU567IXTDQDJDIIDL

not attested not anchored not stored refs pending

Null energy conditions outside a background potential

Delia Schwartz Perlov, Ken D. Olum

arxiv:hep-th/0307067 v2 · 2003-07-07 · 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{24XHGRNCUEU567IXTDQDJDIIDL}

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	2026-05-18T02:35:45.063502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d72e7345a2a129df7d1798e0348d081afb17c51ced5c3cf80a71a0bb35a1304b

Aliases

arxiv: hep-th/0307067 · arxiv_version: hep-th/0307067v2 · doi: 10.48550/arxiv.hep-th/0307067 · pith_short_12: 24XHGRNCUEU5 · pith_short_16: 24XHGRNCUEU567IX · pith_short_8: 24XHGRNC

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/24XHGRNCUEU567IXTDQDJDIIDL \
  | 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: d72e7345a2a129df7d1798e0348d081afb17c51ced5c3cf80a71a0bb35a1304b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179d81b810a64595a6a675e5338816c251b556f23654c6d5b75aef5f3dba05a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-07-07T15:28:40Z",
    "title_canon_sha256": "c67fca1ff803b2bf930dcc7d490744624dd23cacdf82852e495056f2578d7f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0307067",
    "kind": "arxiv",
    "version": 2
  }
}