Pith Number

pith:DEKGITSP

pith:2009:DEKGITSPYGAI74GWKNMQLOUM5H

not attested not anchored not stored refs pending

Star formation in the CDFS: observations confront simulations

Ivo Labb\'e, Maaike Damen, Marijn Franx, Natascha M. F\"orster Schreiber, Pieter G. van Dokkum, Stijn Wuyts, Sune Toft

arxiv:0908.1377 v1 · 2009-08-10 · 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{DEKGITSPYGAI74GWKNMQLOUM5H}

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	2026-05-18T02:12:35.902675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1914644e4fc1808ff0d6535905ba8ce9c9d9d2fdf1a7ef674abcc72afb7fe506

Aliases

arxiv: 0908.1377 · arxiv_version: 0908.1377v1 · doi: 10.48550/arxiv.0908.1377 · pith_short_12: DEKGITSPYGAI · pith_short_16: DEKGITSPYGAI74GW · pith_short_8: DEKGITSP

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/DEKGITSPYGAI74GWKNMQLOUM5H \
  | 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: 1914644e4fc1808ff0d6535905ba8ce9c9d9d2fdf1a7ef674abcc72afb7fe506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "009327c5fa1e92c46cd9293434633460cb0040a49035dcd6e162b7a8bc54380c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-10T19:55:13Z",
    "title_canon_sha256": "97c3be116ce757ef04a30859827c2f12fe8040c5cd3baa0fdcf74add94e41521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1377",
    "kind": "arxiv",
    "version": 1
  }
}