Pith Number

pith:MQTB7PLR

pith:2008:MQTB7PLRTRHWW6UFTJXDVGIOPI

not attested not anchored not stored refs pending

First results from the ALHAMBRA-Survey

A. Del Olmo, A. Fernandez-Soto, A. Fernandez-Soto (on behalf of the ALHAMBRA Core Team) J.A.L. Aguerri, D. Cristobal-Hornillos, E.J. Alfaro, F.J. Castander, F. Prada, I. Marquez, J. Cabrera-Ca\~no, J. Cepa, J. Masegosa, J.M. Quintana, J. Perea, L. Infante, M. Cervi\~no, N. Benitez, R.M. Gonzalez Delgado, S.F. Sanchez, T. Broadhurst, V.J. Martinez

arxiv:0805.3319 v1 · 2008-05-21 · 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{MQTB7PLRTRHWW6UFTJXDVGIOPI}

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	2026-07-04T23:56:05.501059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64261fbd719c4f6b7a859a6e3a990e7a3d27615cb338ee4b4d301f6c14b5dd0a

Aliases

arxiv: 0805.3319 · arxiv_version: 0805.3319v1 · doi: 10.48550/arxiv.0805.3319 · pith_short_12: MQTB7PLRTRHW · pith_short_16: MQTB7PLRTRHWW6UF · pith_short_8: MQTB7PLR

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/MQTB7PLRTRHWW6UFTJXDVGIOPI \
  | 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: 64261fbd719c4f6b7a859a6e3a990e7a3d27615cb338ee4b4d301f6c14b5dd0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf06c39ec7b22c340e31101c7280d0a9a6f252aae8241f7950d089694f6c617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-21T17:37:47Z",
    "title_canon_sha256": "938a635a276feb347a03dd62315e239bb710d63b647014452d01287d62ced20a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3319",
    "kind": "arxiv",
    "version": 1
  }
}