Pith Number

pith:RRSPD547

pith:2018:RRSPD5475SAUFG63TR2CPFVK7U

not attested not anchored not stored refs pending

The physical and chemical properties of the $\rho$ ophiuchi A dense core

Naomi Hirano (ASIAA), Yu-Ching Chen (UIUC)

arxiv:1810.08226 v1 · 2018-10-18 · 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{RRSPD5475SAUFG63TR2CPFVK7U}

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	2026-05-17T23:59:13.957548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c64f1f79fec81429bdb9c742796aafd348f1dfe690f67cc5ce437a2e04b50a9

Aliases

arxiv: 1810.08226 · arxiv_version: 1810.08226v1 · doi: 10.48550/arxiv.1810.08226 · pith_short_12: RRSPD5475SAU · pith_short_16: RRSPD5475SAUFG63 · pith_short_8: RRSPD547

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/RRSPD5475SAUFG63TR2CPFVK7U \
  | 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: 8c64f1f79fec81429bdb9c742796aafd348f1dfe690f67cc5ce437a2e04b50a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "068c870410da7b27b98753317060264f1a51966e62c8b3aae65089f2c8154354",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-18T18:27:28Z",
    "title_canon_sha256": "5649a6cfdbc75b3f0ac2da640299952a0dc25e859d5ff433628328c3964ec5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08226",
    "kind": "arxiv",
    "version": 1
  }
}