Pith Number

pith:3TPUXEKB

pith:2019:3TPUXEKB6NW3AA54D4J7LTPDGF

not attested not anchored not stored refs pending

VLA cm-wave survey of young stellar objects in the Oph A cluster: constraining extreme UV- and X-ray-driven disk photo-evaporation -- A pathfinder for Square Kilometre Array studies

A. Chac\'on-Tanarro, A. Coutens, A. Johansen, A. Punanova, C. Codella, C. Walsh, D. Johnstone, D. Semenov, D. Wilner, F. Fontani, H. B. Liu, H. J. van Langevelde, I. Jim\'enez-Serra, J. Di Francesco, J. Forbrich, J. J. Tobin, J. M. C. Rawlings, L. Loinard, L. M. P\'erez, L. Podio, L. Testi, M. Audard, M. H. D. van der Wiel, M. Hoare, M. Hogerheijde, M. Tazzari, O. Pani\'c, P. Caselli, S. Maddison, T. L. Bourke, W. Vlemmings

arxiv:1909.03515 v1 · 2019-09-08 · astro-ph.SR · 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{3TPUXEKB6NW3AA54D4J7LTPDGF}

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	2026-07-05T00:14:15.269626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdf4b9141f36db003bc1f13f5cde3314a255248056eeb829d9a5eba95418d4d

Aliases

arxiv: 1909.03515 · arxiv_version: 1909.03515v1 · doi: 10.48550/arxiv.1909.03515 · pith_short_12: 3TPUXEKB6NW3 · pith_short_16: 3TPUXEKB6NW3AA54 · pith_short_8: 3TPUXEKB

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/3TPUXEKB6NW3AA54D4J7LTPDGF \
  | 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: dcdf4b9141f36db003bc1f13f5cde3314a255248056eeb829d9a5eba95418d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edfd177f04842d41cb232e287480b583d630ce50622ddbcbabd263d8247adf1f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-08T17:23:24Z",
    "title_canon_sha256": "8e1b5d7a9b302732b9aaaeaebb0ee32dfd84ae474f68820c2e4eca143316ba9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03515",
    "kind": "arxiv",
    "version": 1
  }
}