Pith Number

pith:FAT54VUM

pith:2011:FAT54VUMPOHOCCFGJKTOTYUGXM

not attested not anchored not stored refs pending

Diffuse steep-spectrum sources from the 74 MHz VLSS survey

H. J. A. Rottgering, M. Bruggen, R. J. van Weeren

arxiv:1101.3865 v1 · 2011-01-20 · 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{FAT54VUMPOHOCCFGJKTOTYUGXM}

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	2026-05-18T02:03:26.086872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2827de568c7b8ee108a64aa6e9e286bb38aa730d7fb0c6a527a0e0f90ae47a78

Aliases

arxiv: 1101.3865 · arxiv_version: 1101.3865v1 · doi: 10.48550/arxiv.1101.3865 · pith_short_12: FAT54VUMPOHO · pith_short_16: FAT54VUMPOHOCCFG · pith_short_8: FAT54VUM

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/FAT54VUMPOHOCCFGJKTOTYUGXM \
  | 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: 2827de568c7b8ee108a64aa6e9e286bb38aa730d7fb0c6a527a0e0f90ae47a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23ed3008d2e19cbb0edb00f6b29554f61768de69cd4fdd0a61e6f0cebd450b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-20T11:11:49Z",
    "title_canon_sha256": "e42dc50524cdb8229cd5600a42f9ea335a3b611d1c552f777508fa4374a35914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3865",
    "kind": "arxiv",
    "version": 1
  }
}