Pith Number

pith:3SICSMMI

pith:2016:3SICSMMIB5MAXN3JWA4SOP5HME

not attested not anchored not stored refs pending

Another look at the size of the low-surface brightness galaxy VCC 1661 in the Virgo Cluster

Andreas Koch, Christine S. Black, Francis A. Longstaff, Joachim Janz, Michelle L.M. Collins, R. Michael Rich

arxiv:1610.07831 v1 · 2016-10-25 · 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{3SICSMMIB5MAXN3JWA4SOP5HME}

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	2026-05-18T00:43:30.178936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc902931880f580bb769b039273fa76115ec2304d05d9855204fa0500b8071e4

Aliases

arxiv: 1610.07831 · arxiv_version: 1610.07831v1 · doi: 10.48550/arxiv.1610.07831 · pith_short_12: 3SICSMMIB5MA · pith_short_16: 3SICSMMIB5MAXN3J · pith_short_8: 3SICSMMI

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/3SICSMMIB5MAXN3JWA4SOP5HME \
  | 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: dc902931880f580bb769b039273fa76115ec2304d05d9855204fa0500b8071e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c079fdb263d459fe39a2ff5ed78ee09f3418ffb71c3d471e7fa4cefa26bf620",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-25T11:26:35Z",
    "title_canon_sha256": "1884e2e600f175f9c844441dc09617d4da8864cdf88088723e9d89505604874e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07831",
    "kind": "arxiv",
    "version": 1
  }
}