Pith Number

pith:32UFB36X

pith:2011:32UFB36XSUHRM7HC6YC7YOT2NW

not attested not anchored not stored refs pending

The Star-Formation Histories of z~2 DOGs and SMGs

A. H. Gonzalez, Arjun Dey, B. T. Jannuzi, B. T. Soifer, J. Melbourne, L. Armus, M. J. I. Brown, R. S. Bussmann, V. Desai

arxiv:1111.2869 v1 · 2011-11-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32UFB36XSUHRM7HC6YC7YOT2NW}

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	2026-05-18T01:59:39.911862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea850efd7950f167ce2f605fc3a7a6d87fa6783ca684455a0c1d4f181c5473b

Aliases

arxiv: 1111.2869 · arxiv_version: 1111.2869v1 · doi: 10.48550/arxiv.1111.2869 · pith_short_12: 32UFB36XSUHR · pith_short_16: 32UFB36XSUHRM7HC · pith_short_8: 32UFB36X

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/32UFB36XSUHRM7HC6YC7YOT2NW \
  | 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: dea850efd7950f167ce2f605fc3a7a6d87fa6783ca684455a0c1d4f181c5473b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca7c405d25aec25a800bc6ac6c1d0bce7b9a86d34b89e0f4576b7a3357c5d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-11T21:22:37Z",
    "title_canon_sha256": "9c6b2c4df47190267d6baf4ce570179da6c5a3d98afab4f72448e416c7ac0736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2869",
    "kind": "arxiv",
    "version": 1
  }
}