Pith Number

pith:K2SBPGBU

pith:2011:K2SBPGBURIHBATZU5D2RVAKWZC

not attested not anchored not stored refs pending

The B3-VLA CSS sample. VIII: New optical identifications from the Sloan Digital Sky Survey. The ultraviolet-optical spectral energy distribution of the young radio sources

A. Zanichelli, C. Fanti, C. Stanghellini, D. Dallacasa, R. Fanti

arxiv:1102.1619 v1 · 2011-02-08 · 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{K2SBPGBURIHBATZU5D2RVAKWZC}

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	2026-05-18T02:03:15.393883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a41798348a0e104f34e8f51a8156c8abbe78a8ddafaf513ac60bb77232757d

Aliases

arxiv: 1102.1619 · arxiv_version: 1102.1619v1 · doi: 10.48550/arxiv.1102.1619 · pith_short_12: K2SBPGBURIHB · pith_short_16: K2SBPGBURIHBATZU · pith_short_8: K2SBPGBU

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/K2SBPGBURIHBATZU5D2RVAKWZC \
  | 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: 56a41798348a0e104f34e8f51a8156c8abbe78a8ddafaf513ac60bb77232757d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5e9e39a7d8e0b8f109b48ba6cc10ff0653f6d6fc9fbef9dd04998cffb08b15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-08T14:55:14Z",
    "title_canon_sha256": "66b3ca6d6b3f1becad6f6638563cc3947f9e003803e715689177aa2d37a4fcb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1619",
    "kind": "arxiv",
    "version": 1
  }
}