Pith Number

pith:JDACJ5BQ

pith:2015:JDACJ5BQKG5Q66ZGZ3BZ22ZECN

not attested not anchored not stored refs pending

A concentration of centimeter-sized grains in the Oph IRS 48 dust trap

John Tobin, Luca Ricci, Nienke van der Marel, Paola Pinilla, Sean Andrews, Tilman Birnstiel, Tim van Kempen

arxiv:1508.01003 v2 · 2015-08-05 · astro-ph.EP · 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{JDACJ5BQKG5Q66ZGZ3BZ22ZECN}

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	2026-05-18T01:33:23.815669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c024f43051bb0f7b26cec39d6b241343dbcf4d26aea8c336e34cdea95c012f

Aliases

arxiv: 1508.01003 · arxiv_version: 1508.01003v2 · doi: 10.48550/arxiv.1508.01003 · pith_short_12: JDACJ5BQKG5Q · pith_short_16: JDACJ5BQKG5Q66ZG · pith_short_8: JDACJ5BQ

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/JDACJ5BQKG5Q66ZGZ3BZ22ZECN \
  | 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: 48c024f43051bb0f7b26cec39d6b241343dbcf4d26aea8c336e34cdea95c012f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c0a8276e74f23791f4fcb0ba8171ca506965162723546732f57f127791f6fcf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-08-05T08:41:35Z",
    "title_canon_sha256": "a19ced23191a32d74b01577c7e4f4248453a7851707bb31593fa9359602ea74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01003",
    "kind": "arxiv",
    "version": 2
  }
}