Pith Number

pith:OAJZFQFW

pith:2008:OAJZFQFWED3YDM7WSY3LMIZSHW

not attested not anchored not stored refs pending

Testing different stellar mass estimators at 1<z<2

Arturo Mignano (INAF - Osservatorio di Brera), Marcella Longhetti, Paolo Saracco

arxiv:0801.2281 v1 · 2008-01-15 · 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{OAJZFQFWED3YDM7WSY3LMIZSHW}

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	2026-05-18T04:36:41.605985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701392c0b620f781b3f69636b623323d9bea88b6ef917b5a01d471d50540ed2f

Aliases

arxiv: 0801.2281 · arxiv_version: 0801.2281v1 · doi: 10.48550/arxiv.0801.2281 · pith_short_12: OAJZFQFWED3Y · pith_short_16: OAJZFQFWED3YDM7W · pith_short_8: OAJZFQFW

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/OAJZFQFWED3YDM7WSY3LMIZSHW \
  | 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: 701392c0b620f781b3f69636b623323d9bea88b6ef917b5a01d471d50540ed2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14705351b8bff6be9c118ffdbad0e10b8a2649259f116ec8b308ee84574a3c95",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-15T13:14:47Z",
    "title_canon_sha256": "35a5a59c8347a1743e285f0cdff877c892391050b7f2621f65b1d142ab432e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2281",
    "kind": "arxiv",
    "version": 1
  }
}