Pith Number

pith:XVB6BYWF

pith:2018:XVB6BYWFWYKULIGZE64ZU7YHLJ

not attested not anchored not stored refs pending

Curvature and topology dependency of the cosmological spectra

Ali A. Asgari, Amir H. Abbassi, Jafar Khodagholizadeh

arxiv:1801.01912 v2 · 2018-01-05 · 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{XVB6BYWFWYKULIGZE64ZU7YHLJ}

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	2026-05-17T23:51:49.566458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd43e0e2c5b61545a0d927b99a7f075a7edc7606592d6fe2ca50959eaefff11c

Aliases

arxiv: 1801.01912 · arxiv_version: 1801.01912v2 · doi: 10.48550/arxiv.1801.01912 · pith_short_12: XVB6BYWFWYKU · pith_short_16: XVB6BYWFWYKULIGZ · pith_short_8: XVB6BYWF

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/XVB6BYWFWYKULIGZE64ZU7YHLJ \
  | 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: bd43e0e2c5b61545a0d927b99a7f075a7edc7606592d6fe2ca50959eaefff11c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd5210e6504c8142f32d8170f9c3a13f4cc1c59ea6f5d315e1ea9acd23cf4f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-05T20:39:47Z",
    "title_canon_sha256": "06d2ed68d271b6d6fba28b3500eaed206f14aca9c278a25251ea01b3646b8eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01912",
    "kind": "arxiv",
    "version": 2
  }
}