Pith Number

pith:HUQB2WF7

pith:2014:HUQB2WF7CLL3TGWS3NC5J7PSZ7

not attested not anchored not stored refs pending

Estimating Luminosities and Stellar Masses of Galaxies Photometrically without Determining Redshifts

B. C. Hsieh, H. K. C. Yee

arxiv:1407.5151 v1 · 2014-07-19 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:42:33.820543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d201d58bf12d7b99ad2db45d4fdf2cfd84cadff4f360253c51ea271809eb558

Aliases

arxiv: 1407.5151 · arxiv_version: 1407.5151v1 · doi: 10.48550/arxiv.1407.5151 · pith_short_12: HUQB2WF7CLL3 · pith_short_16: HUQB2WF7CLL3TGWS · pith_short_8: HUQB2WF7

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/HUQB2WF7CLL3TGWS3NC5J7PSZ7 \
  | 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: 3d201d58bf12d7b99ad2db45d4fdf2cfd84cadff4f360253c51ea271809eb558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8aa5dbf22432f0c7682abe86ea7a40418d38a1f40e5fda36737cc960c46f888",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-19T06:24:24Z",
    "title_canon_sha256": "df497a31003399acaf7f69edc0d2647a91936b93130a701ce440dfbcae523742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5151",
    "kind": "arxiv",
    "version": 1
  }
}