Pith Number

pith:BF47SM6X

pith:2016:BF47SM6X4OSU7L4A354H4GGFMZ

not attested not anchored not stored refs pending

Stellar Systems in the direction of the Hickson Compact Group 44 - I. Low Surface Brightness Galaxies

A. V. Smith Castelli (Ialp-Conicet), C. G. Escudero (Fcaglp-Ialp-Conicet), F. R. Faifer (Fcaglp-Ialp-Conicet)

arxiv:1609.00224 v1 · 2016-09-01 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF47SM6X4OSU7L4A354H4GGFMZ}

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	2026-05-18T00:56:19.716922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0979f933d7e3a54faf80df787e18c566697ffebca19b56b1154070cecf42f1bd

Aliases

arxiv: 1609.00224 · arxiv_version: 1609.00224v1 · doi: 10.48550/arxiv.1609.00224 · pith_short_12: BF47SM6X4OSU · pith_short_16: BF47SM6X4OSU7L4A · pith_short_8: BF47SM6X

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/BF47SM6X4OSU7L4A354H4GGFMZ \
  | 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: 0979f933d7e3a54faf80df787e18c566697ffebca19b56b1154070cecf42f1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4eca2f31b00e268988c55e8d3e8c1f2b6d050061e92389506192cc0231db6b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-01T13:24:23Z",
    "title_canon_sha256": "0783aa6a6c448a486d767ef47e5925070eeadbaecd9ec6bb575dcaa9e6a4a3ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00224",
    "kind": "arxiv",
    "version": 1
  }
}