Pith Number

pith:M33RCGZA

pith:2011:M33RCGZAVXWP7Q54MYYUTQP4ML

not attested not anchored not stored refs pending

A Spitzer IRS Survey of NGC 1333: Insights into disk evolution from a very young cluster

C. Espaillat, Dan M. Watson, E. Furlan, E. Mamajek, I. Remming, K. Ausfeld, K. H. Kim, L. A. Arnold, L. Adame, M. McClure, P. Manoj, P. Sheehan, V. A. Rapson, W. Forrest

arxiv:1107.3261 v3 · 2011-07-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M33RCGZAVXWP7Q54MYYUTQP4ML}

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	2026-05-18T03:52:51.223114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f7111b20adecffc3bc663149c1fc62ccd8a74fc2c7f873c8cd94f84ff84320

Aliases

arxiv: 1107.3261 · arxiv_version: 1107.3261v3 · doi: 10.48550/arxiv.1107.3261 · pith_short_12: M33RCGZAVXWP · pith_short_16: M33RCGZAVXWP7Q54 · pith_short_8: M33RCGZA

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/M33RCGZAVXWP7Q54MYYUTQP4ML \
  | 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: 66f7111b20adecffc3bc663149c1fc62ccd8a74fc2c7f873c8cd94f84ff84320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92adde606bd3bfb6022ec41c420b9d9b2c25728d96ec0d25259ef1e77017f595",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-16T22:25:22Z",
    "title_canon_sha256": "f01f39f89addabd74af319e79b2115b9a9be3390427c03888cc35591983605bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3261",
    "kind": "arxiv",
    "version": 3
  }
}