Pith Number

pith:WYU7Q76N

pith:2021:WYU7Q76NRMG6S2NPQCYUI5OX7J

not attested not anchored not stored refs pending

Forensic reconstruction of galaxy colour evolution and population characterisation

Aaron S. G. Robotham, Claudia del P. Lagos, Jessica E. Thorne, Luke J. M. Davies, Mat\'ias Bravo, Sabine Bellstedt

arxiv:2106.11829 v2 · 2021-06-22 · 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{WYU7Q76NRMG6S2NPQCYUI5OX7J}

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	2026-07-05T03:57:09.141085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b629f87fcd8b0de969af80b14475d7fa46ab304ee4d3ddf50189a020e9e0dcac

Aliases

arxiv: 2106.11829 · arxiv_version: 2106.11829v2 · doi: 10.48550/arxiv.2106.11829 · pith_short_12: WYU7Q76NRMG6 · pith_short_16: WYU7Q76NRMG6S2NP · pith_short_8: WYU7Q76N

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/WYU7Q76NRMG6S2NPQCYUI5OX7J \
  | 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: b629f87fcd8b0de969af80b14475d7fa46ab304ee4d3ddf50189a020e9e0dcac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cff6e26bc8455c18c43615548e67962a10f1856c6939cfb71db29bcd7de9704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-22T14:39:50Z",
    "title_canon_sha256": "b6562b031cc48298d0f5e323f39f8d1bf17ce5315d5fce2d48e17e455f685272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11829",
    "kind": "arxiv",
    "version": 2
  }
}