Pith Number

pith:D63PMAKM

pith:2010:D63PMAKMLM5K45ODOLADKVO5PM

not attested not anchored not stored refs pending

The LABOCA survey of the Extended Chandra Deep Field South: Two modes of star formation in AGN hosts?

A.M. Koekemoer, A. Weiss, D. Lutz, D.M. Alexander, D. Rafferty, E. Gawiser, E. Schinnerer, F. Walter, G. Hasinger, I. Smail, J.D. Silverman, J. Wardlow, K. Coppin, K.M. Menten, L. Shao, N.M. Forster Schreiber, P. Kurczynski, P. Popesso, R. Genzel, R.J. Ivison, R. Nordon, S. Chapman, T.R. Greve, V. Mainieri, W.N. Brandt, Y.Q. Xue

arxiv:1002.0071 v2 · 2010-01-30 · astro-ph.CO

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

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	2026-05-18T02:09:21.789365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fb6f6014c5b3aae75c372c03555dd7b2767ce3f0e3f90a322ea432063716341

Aliases

arxiv: 1002.0071 · arxiv_version: 1002.0071v2 · doi: 10.48550/arxiv.1002.0071 · pith_short_12: D63PMAKMLM5K · pith_short_16: D63PMAKMLM5K45OD · pith_short_8: D63PMAKM

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/D63PMAKMLM5K45ODOLADKVO5PM \
  | 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: 1fb6f6014c5b3aae75c372c03555dd7b2767ce3f0e3f90a322ea432063716341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6356ade35f6ee6ac0ea8712d837cb3dad4354ec023ecd1f9a3f738b01a1657",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-30T15:22:19Z",
    "title_canon_sha256": "d0d7b90105baef25c78336c162780709ac77961e4bb2aa402ad87a111fa3fd46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0071",
    "kind": "arxiv",
    "version": 2
  }
}