Pith Number

pith:TDQBRFLT

pith:2010:TDQBRFLTKTFEQ2ZABJI2NOH2VC

not attested not anchored not stored refs pending

A Sample of Intermediate-Mass Star-Forming Regions: Making Stars at Mass Column Densities <1 g/cm^2

Brian Uzpen, Charles R. Kerton, Henry A. Kobulnicky, Kim Arvidsson, Michael J. Alexander

arxiv:1005.4706 v2 · 2010-05-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDQBRFLTKTFEQ2ZABJI2NOH2VC}

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	2026-05-18T02:07:08.117302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98e018957354ca486b200a51a6b8faa8a111607b752186f458768ea93e901ac8

Aliases

arxiv: 1005.4706 · arxiv_version: 1005.4706v2 · doi: 10.48550/arxiv.1005.4706 · pith_short_12: TDQBRFLTKTFE · pith_short_16: TDQBRFLTKTFEQ2ZA · pith_short_8: TDQBRFLT

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/TDQBRFLTKTFEQ2ZABJI2NOH2VC \
  | 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: 98e018957354ca486b200a51a6b8faa8a111607b752186f458768ea93e901ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca490d88e1710fd33cb2e1803d57be127bb156742629935adb488f7a9cc27b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-25T21:42:01Z",
    "title_canon_sha256": "aeab514e6235e20e38a2a9359665d0f31119296f7b1ab819c2e5085d96506c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4706",
    "kind": "arxiv",
    "version": 2
  }
}