Pith Number

pith:P7RZBKFT

pith:2018:P7RZBKFTDKPYJUQLXLWQTIL345

not attested not anchored not stored refs pending

Chemical tracers in proto-brown dwarfs: CO, ortho-H$_{2}$CO, para-H$_{2}$CO, HCO$^{+}$, CS observations

B. Riaz, P. Caselli, W. F. Thi

arxiv:1811.01722 v1 · 2018-11-02 · 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{P7RZBKFTDKPYJUQLXLWQTIL345}

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	2026-05-17T23:59:48.657400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe390a8b31a9f84d20bbaed09a17be7788eda5b5a49832efb4e3bc4575a92d0

Aliases

arxiv: 1811.01722 · arxiv_version: 1811.01722v1 · doi: 10.48550/arxiv.1811.01722 · pith_short_12: P7RZBKFTDKPY · pith_short_16: P7RZBKFTDKPYJUQL · pith_short_8: P7RZBKFT

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/P7RZBKFTDKPYJUQLXLWQTIL345 \
  | 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: 7fe390a8b31a9f84d20bbaed09a17be7788eda5b5a49832efb4e3bc4575a92d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c97f74a0a079708f2ee4225645821f5ccd1e2c7084a1e13b1a7ebe01ea71aec9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-02T11:24:39Z",
    "title_canon_sha256": "9dbce2c06be7bfe65abacb442a3eb1528b55d8c20425837acb46cd9628b52fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01722",
    "kind": "arxiv",
    "version": 1
  }
}