Pith Number

pith:T32IRBGD

pith:2017:T32IRBGDXGGSBDAJJQE5DXFHG5

not attested not anchored not stored refs pending

Measurement of Circumstellar Disk Sizes in the Upper Scorpius OB Association with ALMA

Andrea Isella, Anneila I. Sargent, John M. Carpenter, Luca Ricci, Scott A. Barenfeld

arxiv:1711.04045 v1 · 2017-11-10 · 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{T32IRBGDXGGSBDAJJQE5DXFHG5}

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	2026-05-18T00:27:18.093046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef48884c3b98d208c094c09d1dca73769ac34a721745545b1c663dc41e74150

Aliases

arxiv: 1711.04045 · arxiv_version: 1711.04045v1 · doi: 10.48550/arxiv.1711.04045 · pith_short_12: T32IRBGDXGGS · pith_short_16: T32IRBGDXGGSBDAJ · pith_short_8: T32IRBGD

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/T32IRBGDXGGSBDAJJQE5DXFHG5 \
  | 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: 9ef48884c3b98d208c094c09d1dca73769ac34a721745545b1c663dc41e74150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff35136f968d071e30bf21070520a4b65bd4d7636c4b0f3022557ffe559e7794",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-10T23:58:29Z",
    "title_canon_sha256": "782a5b891a8f2a23b44baec39324e9de3d4f58acdc5237f72aa7ed0a43ceb92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04045",
    "kind": "arxiv",
    "version": 1
  }
}