Pith Number

pith:6LD52FXH

pith:2010:6LD52FXHLBQQQA4L3CYVGGLEMQ

not attested not anchored not stored refs pending

SDSS surface photometry of M 31 with absorption corrections

Antti Tamm, Elmo Tempel, Peeter Tenjes, Taavi Tuvikene

arxiv:1012.3591 v1 · 2010-12-16 · 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{6LD52FXHLBQQQA4L3CYVGGLEMQ}

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	2026-05-18T04:26:56.289121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c7dd16e7586108038bd8b1531964641c7e02d0eb953a2161ac884783711e42

Aliases

arxiv: 1012.3591 · arxiv_version: 1012.3591v1 · doi: 10.48550/arxiv.1012.3591 · pith_short_12: 6LD52FXHLBQQ · pith_short_16: 6LD52FXHLBQQQA4L · pith_short_8: 6LD52FXH

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/6LD52FXHLBQQQA4L3CYVGGLEMQ \
  | 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: f2c7dd16e7586108038bd8b1531964641c7e02d0eb953a2161ac884783711e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88fd720b5dae5ab589708974767400dede95359d227fe3636d2ebaf033575a9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-16T13:16:48Z",
    "title_canon_sha256": "49a8dd4cb6a6f53cd703d2696d386eb31d866c4deac62aaa1c91565bdbc311d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3591",
    "kind": "arxiv",
    "version": 1
  }
}