Pith Number

pith:UMI5SPYG

pith:2014:UMI5SPYGJKNA4CZ4ITVVTGYVPE

not attested not anchored not stored refs pending

Automatic detection of peculiar galaxy pairs in Sloan Digital Sky Survey

John Wallin, Lior Shamir

arxiv:1407.5000 v1 · 2014-07-18 · 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{UMI5SPYGJKNA4CZ4ITVVTGYVPE}

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	2026-05-18T01:42:33.999500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a311d93f064a9a0e0b3c44eb599b15793fa6efc8a142b5919586eb31c7e3c002

Aliases

arxiv: 1407.5000 · arxiv_version: 1407.5000v1 · doi: 10.48550/arxiv.1407.5000 · pith_short_12: UMI5SPYGJKNA · pith_short_16: UMI5SPYGJKNA4CZ4 · pith_short_8: UMI5SPYG

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/UMI5SPYGJKNA4CZ4ITVVTGYVPE \
  | 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: a311d93f064a9a0e0b3c44eb599b15793fa6efc8a142b5919586eb31c7e3c002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a666c23b31ba4143c820e5368a32c4ed1796a31e276d013b46ba629ccc278f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-18T13:48:30Z",
    "title_canon_sha256": "cf3c74c0ba29f143895a1262357d4ed7e5b62fdf88694c176190b469eac6ba75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5000",
    "kind": "arxiv",
    "version": 1
  }
}