Pith Number

pith:TTND3OUJ

pith:2008:TTND3OUJ4WWACECO7XYPBIKXUC

not attested not anchored not stored refs pending

GalICS II: the [alpha/Fe]-mass relation in elliptical galaxies

2), (2) USC, 3), (3) Lyon, (4) Portsmouth), A.Pipino (1, D.Thomas (4), J.E.G. Devriendt (2, J.Silk (1), S.Kaviraj (1) ((1) Oxford

arxiv:0810.5753 v1 · 2008-10-31 · 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{TTND3OUJ4WWACECO7XYPBIKXUC}

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	2026-05-18T02:15:22.664397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cda3dba89e5ac01104efdf0f0a157a094986df79de10eb2fa0ef7edfb8e957d

Aliases

arxiv: 0810.5753 · arxiv_version: 0810.5753v1 · doi: 10.48550/arxiv.0810.5753 · pith_short_12: TTND3OUJ4WWA · pith_short_16: TTND3OUJ4WWACECO · pith_short_8: TTND3OUJ

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/TTND3OUJ4WWACECO7XYPBIKXUC \
  | 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: 9cda3dba89e5ac01104efdf0f0a157a094986df79de10eb2fa0ef7edfb8e957d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3896393292325ba94e5bd2a5e35b57c480e88595786b8b2b70b0a3153a8144c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-31T18:18:00Z",
    "title_canon_sha256": "d9512f7948f4986281e640fc1f5783164bb32df2daa3a5252bd509620f63cdfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5753",
    "kind": "arxiv",
    "version": 1
  }
}