Pith Number

pith:IHBVE3VG

pith:2015:IHBVE3VGKFEM23YGPBV3F5FFOO

not attested not anchored not stored refs pending

Discovery of Young Methane Dwarfs in the Rho Ophiuchi L 1688 Dark Cloud

Poshih Chiang, W. P. Chen

arxiv:1509.03949 v2 · 2015-09-14 · 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{IHBVE3VGKFEM23YGPBV3F5FFOO}

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	2026-05-18T01:31:30.811601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c3526ea65148cd6f06786bb2f4a5739ab2bfd958dbdb04d82c618c51b6926e

Aliases

arxiv: 1509.03949 · arxiv_version: 1509.03949v2 · doi: 10.48550/arxiv.1509.03949 · pith_short_12: IHBVE3VGKFEM · pith_short_16: IHBVE3VGKFEM23YG · pith_short_8: IHBVE3VG

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/IHBVE3VGKFEM23YGPBV3F5FFOO \
  | 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: 41c3526ea65148cd6f06786bb2f4a5739ab2bfd958dbdb04d82c618c51b6926e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c34ff02bcdbf5d846afab21650242670f79c3998652ca50a03ad6c50a9a3907",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-14T04:44:27Z",
    "title_canon_sha256": "7382bf60fa7ecd359917f6c7ee9d036729d2a6cf39e8b35bff4cad6ed284bd7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03949",
    "kind": "arxiv",
    "version": 2
  }
}