Pith Number

pith:BJ4FG6VX

pith:2006:BJ4FG6VXAENEIAPGZ36BU4C7FF

not attested not anchored not stored refs pending

Comparing Dynamical and Photometric Mass Estimates of Low- and High-Redshift Galaxies: Random and Systematic Uncertainties

Arjen van der Wel, Garth D. Illingworth, Hans-Walter Rix, Jiasheng Huang, Marijn Franx, Pieter G. van Dokkum, Stijn Wuyts

arxiv:astro-ph/0607649 v1 · 2006-07-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJ4FG6VXAENEIAPGZ36BU4C7FF}

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	2026-05-18T04:28:58.182783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a78537ab7011a4401e6cefc1a705f295a474ffc308bcf52f7b72190a629903d

Aliases

arxiv: astro-ph/0607649 · arxiv_version: astro-ph/0607649v1 · doi: 10.48550/arxiv.astro-ph/0607649 · pith_short_12: BJ4FG6VXAENE · pith_short_16: BJ4FG6VXAENEIAPG · pith_short_8: BJ4FG6VX

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/BJ4FG6VXAENEIAPGZ36BU4C7FF \
  | 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: 0a78537ab7011a4401e6cefc1a705f295a474ffc308bcf52f7b72190a629903d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d76d74e7a1014e06a95ebc3598fa735bacbfb03a2d2d41adeee45778bb51ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-28T15:40:52Z",
    "title_canon_sha256": "fa641af779ee9cb4368c113b46617789f640b1ebd2d8790baf59827951c03421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607649",
    "kind": "arxiv",
    "version": 1
  }
}