Pith Number

pith:MYPGTKUA

pith:2015:MYPGTKUAK37VS2W33LKCFEXIX3

not attested not anchored not stored refs pending

The Deuteration Clock for Massive Starless Cores

2), (4) INAF - Osservatorio Astrofisico di Arcetri, Francesco Fontani (4) ((1) Dept. of Astronomy, Germany, Italy), Jonathan C. Tan (1, Paola Caselli (3), Shuo Kong (1), University of Florida, USA (2) Dept. of Physics, USA (3) Max-Planck-Institute for Extraterrestrial Physics (MPE)

arxiv:1511.02100 v1 · 2015-11-06 · 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{MYPGTKUAK37VS2W33LKCFEXIX3}

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	2026-05-18T01:13:16.353712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

661e69aa8056ff596adbdad42292e8bef61a97a97c173256c5616e13167c7a96

Aliases

arxiv: 1511.02100 · arxiv_version: 1511.02100v1 · doi: 10.48550/arxiv.1511.02100 · pith_short_12: MYPGTKUAK37V · pith_short_16: MYPGTKUAK37VS2W3 · pith_short_8: MYPGTKUA

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/MYPGTKUAK37VS2W33LKCFEXIX3 \
  | 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: 661e69aa8056ff596adbdad42292e8bef61a97a97c173256c5616e13167c7a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b4b000982a3fa6265e22e83d5b7dcd06a66951b63b908cc17ed0fd9d6ad58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-06T14:51:18Z",
    "title_canon_sha256": "5fc01a03ceb88145add6e80589b73934e527de29db9500e9fa8d5a5ef53070fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02100",
    "kind": "arxiv",
    "version": 1
  }
}