Pith Number

pith:73VHEMAF

pith:2017:73VHEMAF5PKVIIBZRBSNUBWTJZ

not attested not anchored not stored refs pending

Inflationary f(R) cosmologies

Amare Abebe, Heba Sami, Joseph Ntahompagaze

arxiv:1709.04860 v1 · 2017-09-14 · 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{73VHEMAF5PKVIIBZRBSNUBWTJZ}

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	2026-05-18T00:35:09.826733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feea723005ebd55420398864da06d34e6686dfe0d7379f86f63ae26d49069502

Aliases

arxiv: 1709.04860 · arxiv_version: 1709.04860v1 · doi: 10.48550/arxiv.1709.04860 · pith_short_12: 73VHEMAF5PKV · pith_short_16: 73VHEMAF5PKVIIBZ · pith_short_8: 73VHEMAF

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/73VHEMAF5PKVIIBZRBSNUBWTJZ \
  | 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: feea723005ebd55420398864da06d34e6686dfe0d7379f86f63ae26d49069502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "626f82a71aab590a5ebf18616427e1ba586d523d4a688ded0faa5b66b13f22ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-09-14T16:28:14Z",
    "title_canon_sha256": "f0e0ead7e413f8c5690a88e732408d90b51780cf73a52e78a568201a17ede6dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04860",
    "kind": "arxiv",
    "version": 1
  }
}