Pith Number

pith:IGVUGAMD

pith:2007:IGVUGAMDXRNU7AK6YTINFGIHGZ

not attested not anchored not stored refs pending

The Sixth Data Release of the Sloan Digital Sky Survey

et al. (for the SDSS Collaboration), Jennifer K. Adelman-McCarthy

arxiv:0707.3413 v2 · 2007-07-23 · 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{IGVUGAMDXRNU7AK6YTINFGIHGZ}

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	2026-07-04T23:52:48.863480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ab430183bc5b4f815ec4d0d2990736400fbfc2eade279381b8c7894d6df1dd

Aliases

arxiv: 0707.3413 · arxiv_version: 0707.3413v2 · doi: 10.48550/arxiv.0707.3413 · pith_short_12: IGVUGAMDXRNU · pith_short_16: IGVUGAMDXRNU7AK6 · pith_short_8: IGVUGAMD

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/IGVUGAMDXRNU7AK6YTINFGIHGZ \
  | 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: 41ab430183bc5b4f815ec4d0d2990736400fbfc2eade279381b8c7894d6df1dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "969b3030cb0fdcd888b9361cdcb7962e9d9b11d77889777c46ab53250553e105",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-23T19:16:14Z",
    "title_canon_sha256": "f03488e5bd4b78b7f2aa0116a76c10d0e3b6da3b84fa91499ff41efa03936411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3413",
    "kind": "arxiv",
    "version": 2
  }
}