Pith Number

pith:M266ZM7A

pith:2015:M266ZM7AHYGSLYJHLYR2QWYNVY

not attested not anchored not stored refs pending

No evidence for protoplanetary disk destruction by OB stars in the MYStIX sample

Alexander J.W. Richert, Eric D. Feigelson, Konstantin V. Getman, Michael A. Kuhn

arxiv:1508.01338 v1 · 2015-08-06 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M266ZM7AHYGSLYJHLYR2QWYNVY}

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	2026-05-18T01:32:28.317358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bdecb3e03e0d25e1275e23a85b0dae1a46e13e8ace147ce188d48321f9d423

Aliases

arxiv: 1508.01338 · arxiv_version: 1508.01338v1 · doi: 10.48550/arxiv.1508.01338 · pith_short_12: M266ZM7AHYGS · pith_short_16: M266ZM7AHYGSLYJH · pith_short_8: M266ZM7A

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/M266ZM7AHYGSLYJHLYR2QWYNVY \
  | 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: 66bdecb3e03e0d25e1275e23a85b0dae1a46e13e8ace147ce188d48321f9d423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71922a42acccf5e5364eb89e8627bf30b9495a80bf436b52592acafbe970680",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-06T09:32:35Z",
    "title_canon_sha256": "05fc84ec6bb17bac389935bf7b71394da99d58d43de92dcf54a7e198c57b6138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01338",
    "kind": "arxiv",
    "version": 1
  }
}