Pith Number

pith:IAQ5Z76K

pith:2015:IAQ5Z76KFISYOJQG57KIG5J475

not attested not anchored not stored refs pending

Energy conditions in the epoch of galaxy formation

Matt Visser

arxiv:1501.01619 v1 · 2015-01-07 · 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{IAQ5Z76KFISYOJQG57KIG5J475}

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

1 paper in Pith

Revisiting Schwarzschild's constant density star in isotropic coordinates

Receipt and verification

First computed	2026-05-18T02:29:53.515511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4021dcffca2a25872606efd483753cff40e766efa17ed12be5f43149cc983552

Aliases

arxiv: 1501.01619 · arxiv_version: 1501.01619v1 · doi: 10.48550/arxiv.1501.01619 · pith_short_12: IAQ5Z76KFISY · pith_short_16: IAQ5Z76KFISYOJQG · pith_short_8: IAQ5Z76K

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/IAQ5Z76KFISYOJQG57KIG5J475 \
  | 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: 4021dcffca2a25872606efd483753cff40e766efa17ed12be5f43149cc983552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271ae6aa670cf79864cfc096d9cb2b079c8dbb57621767c5a2e3133b166f362e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-07T20:48:01Z",
    "title_canon_sha256": "ffbb3b0b48508aa96064d63f683b6a1da655ca763e02a4a5204374b189afd3cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01619",
    "kind": "arxiv",
    "version": 1
  }
}