Pith Number

pith:YODYZUVU

pith:2007:YODYZUVUVKMYMNCCMFNWL6J7AN

not attested not anchored not stored refs pending

The IC1396N proto-cluster at a scale of 250 AU

A. Fuente, B. Lefloch, C. Ceccarelli, D. Johnstone, E.F. van Dishoeck, F. Wyrowski, M. Tafalla, P. Caselli, R. Neri, R. Plume

arxiv:0705.2663 v1 · 2007-05-18 · 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{YODYZUVUVKMYMNCCMFNWL6J7AN}

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	2026-07-04T17:03:53.050597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3878cd2b4aa99863442615b65f93f034900d43d41c10e115a21ccecb0f5a854

Aliases

arxiv: 0705.2663 · arxiv_version: 0705.2663v1 · doi: 10.48550/arxiv.0705.2663 · pith_short_12: YODYZUVUVKMY · pith_short_16: YODYZUVUVKMYMNCC · pith_short_8: YODYZUVU

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/YODYZUVUVKMYMNCCMFNWL6J7AN \
  | 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: c3878cd2b4aa99863442615b65f93f034900d43d41c10e115a21ccecb0f5a854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c11ac724b03a8fb38d0102bb2263019e3abd5ae62d28b06b98157e236faece",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-18T09:21:00Z",
    "title_canon_sha256": "6d8011d2341329f01a9a4280e4139ad20586cd3540035af8ad4cc51b11467ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2663",
    "kind": "arxiv",
    "version": 1
  }
}