Pith Number

pith:BILDGQQZ

pith:2018:BILDGQQZAUYLNMFWZU7DZORMFY

not attested not anchored not stored refs pending

The trajectories of galaxies in groups: mass loss and preprocessing

Benjamin W. Keller, Gandhali D. Joshi, James Wadsley, Laura C. Parker

arxiv:1811.06530 v1 · 2018-11-15 · astro-ph.GA · 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{BILDGQQZAUYLNMFWZU7DZORMFY}

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	2026-05-17T23:59:48.300336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a163342190530b6b0b6cd3e3cba2c2e00924a420669c4e43dbb75f430a2db11

Aliases

arxiv: 1811.06530 · arxiv_version: 1811.06530v1 · doi: 10.48550/arxiv.1811.06530 · pith_short_12: BILDGQQZAUYL · pith_short_16: BILDGQQZAUYLNMFW · pith_short_8: BILDGQQZ

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/BILDGQQZAUYLNMFWZU7DZORMFY \
  | 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: 0a163342190530b6b0b6cd3e3cba2c2e00924a420669c4e43dbb75f430a2db11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbd72ad16548e5262108acd936addd480a5a53a0d6169045db99ca83ba0a6695",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-15T18:53:14Z",
    "title_canon_sha256": "0cb57199331b5203b2a86f55d288d58d3e6a038ba182b7dbf55f69d6c2876888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06530",
    "kind": "arxiv",
    "version": 1
  }
}