Pith Number

pith:JLJSBB67

pith:2009:JLJSBB67AJ32PY3HTOTWYZGIGZ

not attested not anchored not stored refs pending

Determination of Redshifts for Selected IVS Sources. I

Alexandra Boldycheva, Kirill Maslennikov, Oleg Titov, Zinovy Malkin

arxiv:0912.5431 v1 · 2009-12-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLJSBB67AJ32PY3HTOTWYZGIGZ}

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	2026-05-18T04:24:54.768476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ad32087df0277a7e3679ba76c64c83657dde1dec7c54d62f19c9511fddb9347

Aliases

arxiv: 0912.5431 · arxiv_version: 0912.5431v1 · doi: 10.48550/arxiv.0912.5431 · pith_short_12: JLJSBB67AJ32 · pith_short_16: JLJSBB67AJ32PY3H · pith_short_8: JLJSBB67

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/JLJSBB67AJ32PY3HTOTWYZGIGZ \
  | 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: 4ad32087df0277a7e3679ba76c64c83657dde1dec7c54d62f19c9511fddb9347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec0b7fa9d5924508e02c73e391e25d6aac713fcd5a472418dc7a739f874dd0e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-30T09:24:21Z",
    "title_canon_sha256": "00489540f86d5ac14dcc095fa5170bca69c31e44e59dd5ca6591b754256f2c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5431",
    "kind": "arxiv",
    "version": 1
  }
}