Pith Number

pith:QANQYZAT

pith:2011:QANQYZATPVNPS7N4J7UYZ3MHWG

not attested not anchored not stored refs pending

The Free-Fall time of finite Sheets and Filaments

Enrique V\'azquez-Semadeni, Gilberto C. G\'omez, Jes\'us A. Toal\'a

arxiv:1110.0917 v2 · 2011-10-05 · 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{QANQYZATPVNPS7N4J7UYZ3MHWG}

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.

Cited by

1 paper in Pith

Global and Local Infall in the ASHES Sample (GLASHES). II. Asymmetric Line Profiles around Dense Cores in 70 $\mu$m Dark Massive Clumps

Receipt and verification

First computed	2026-05-18T02:00:17.715106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801b0c64137d5af97dbc4fe98ced87b1927b0a1e6bee4d87d22aaa94ccab759e

Aliases

arxiv: 1110.0917 · arxiv_version: 1110.0917v2 · doi: 10.48550/arxiv.1110.0917 · pith_short_12: QANQYZATPVNP · pith_short_16: QANQYZATPVNPS7N4 · pith_short_8: QANQYZAT

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/QANQYZATPVNPS7N4J7UYZ3MHWG \
  | 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: 801b0c64137d5af97dbc4fe98ced87b1927b0a1e6bee4d87d22aaa94ccab759e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a3184f36ca2dc8f49ceed4c0a16c95c60b8c8ad00786818b951dc12b896968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-05T08:09:00Z",
    "title_canon_sha256": "38725af65baf43726b04696251b5f204ab52e8855db8cf74cfc4d83d4cdb5cea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0917",
    "kind": "arxiv",
    "version": 2
  }
}