Pith Number

pith:MRCU665Y

pith:2002:MRCU665YJQGJL3KGDX37MUJNMW

not attested not anchored not stored refs pending

Null energy conditions in quantum field theory

C.J. Fewster, T.A. Roman

arxiv:gr-qc/0209036 v2 · 2002-09-11 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRCU665YJQGJL3KGDX37MUJNMW}

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.

Cited by

3 papers in Pith

Effective Phantom Dark Energy: What Cosmological Reconstruction Does and Does Not Imply

Modave lectures on energy conditions in quantum field theory and semi-classical gravity

Curious QNEIs from QNEC: New Bounds on Null Energy in Quantum Field Theory

Receipt and verification

First computed	2026-07-04T16:33:46.585037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64454f7bb84c0c95ed461df7f6512d65ad3deaa036341b4a50055b70711e95ef

Aliases

arxiv: gr-qc/0209036 · arxiv_version: gr-qc/0209036v2 · doi: 10.48550/arxiv.gr-qc/0209036 · pith_short_12: MRCU665YJQGJ · pith_short_16: MRCU665YJQGJL3KG · pith_short_8: MRCU665Y

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/MRCU665YJQGJL3KGDX37MUJNMW \
  | 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: 64454f7bb84c0c95ed461df7f6512d65ad3deaa036341b4a50055b70711e95ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0122bacb0290f005040c315cbaa8e1bd92a17c7ab2b272f68366c59484295f3f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-09-11T14:38:12Z",
    "title_canon_sha256": "35f8af73c34921171b67a161963dbc1c207e4a1752a628e3db34db11aa4314ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0209036",
    "kind": "arxiv",
    "version": 2
  }
}