Pith Number

pith:QWPUW4H3

pith:2023:QWPUW4H3C7DHZ7YZ6UCIBK6EOX

not attested not anchored not stored refs pending

The Panchromatic Hubble Andromeda Treasury XXI. The Legacy Resolved Stellar Photometry Catalog

Adam Smercina, Andrew E. Dolphin, Anil Seth, Benjamin F. Williams, Daniel R. Weisz, Dustin Lang, Eric F. Bell, Evan Skillman, Julianne J. Dalcanton, Karl Gordon, Karoline M. Gilbert, L. Clifton Johnson, Leo Girardi, Meredith Durbin, Petia Yanchulova Merica-Jones, Puragra Guhathakurta, Tod R. Lauer

arxiv:2307.09681 v1 · 2023-07-18 · 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{QWPUW4H3C7DHZ7YZ6UCIBK6EOX}

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	2026-07-05T06:32:44.452011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859f4b70fb17c67cff19f50480abc475c25a2f3520652952f27ae1145ed1b251

Aliases

arxiv: 2307.09681 · arxiv_version: 2307.09681v1 · doi: 10.48550/arxiv.2307.09681 · pith_short_12: QWPUW4H3C7DH · pith_short_16: QWPUW4H3C7DHZ7YZ · pith_short_8: QWPUW4H3

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/QWPUW4H3C7DHZ7YZ6UCIBK6EOX \
  | 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: 859f4b70fb17c67cff19f50480abc475c25a2f3520652952f27ae1145ed1b251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897d6e420dba60648b137b4b5b565879255f46d2f529b5f89eaf4ede13444443",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-18T23:26:39Z",
    "title_canon_sha256": "3b55704e1031af9cdb22c8ba3c08bec2c95ef1ff0dfa3aca820afbe6a3f6952f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.09681",
    "kind": "arxiv",
    "version": 1
  }
}