Pith Number

pith:IUPMQDEM

pith:2012:IUPMQDEMLK7RMYZWWEMLBIX6VT

not attested not anchored not stored refs pending

Disc Clearing of Young Stellar Objects: Evidence for Fast Inside-out Dispersal

B. Ercolano, C. M. Koepferl, J. Dale, L. Spezzi, P. S. Teixeira, T. Ratzka

arxiv:1210.6268 v1 · 2012-10-23 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUPMQDEMLK7RMYZWWEMLBIX6VT}

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	2026-05-18T01:53:44.258138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451ec80c8c5abf166336b118b0a2feacc4a23456fa719ce46cd22c4ea90c07be

Aliases

arxiv: 1210.6268 · arxiv_version: 1210.6268v1 · doi: 10.48550/arxiv.1210.6268 · pith_short_12: IUPMQDEMLK7R · pith_short_16: IUPMQDEMLK7RMYZW · pith_short_8: IUPMQDEM

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/IUPMQDEMLK7RMYZWWEMLBIX6VT \
  | 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: 451ec80c8c5abf166336b118b0a2feacc4a23456fa719ce46cd22c4ea90c07be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f286f067e63ba155671d6a0b2e7901703fc69e12ecde47353a4077627b0984",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-23T15:32:45Z",
    "title_canon_sha256": "42b5c2e895f5ecc51487c73a7899b81d79e199cece9fe3f93c9cc66001b804bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6268",
    "kind": "arxiv",
    "version": 1
  }
}