Pith Number

pith:2EFJTRV4

pith:2017:2EFJTRV45ETFUJAASJU3DEHLGW

not attested not anchored not stored refs pending

Large-Scale Spectroscopic Mapping of the $\rho$ Ophiuchi Molecular Cloud Complex I. The C$_{2}$H to N$_2$H$^+$ Ratio as a Signpost of Cloud Characteristics

Di Li, Edwin A. Bergin, Junzhi Wang, Lei Qian, Qiang Chang, Zhichen Pan

arxiv:1702.04857 v1 · 2017-02-16 · 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{2EFJTRV45ETFUJAASJU3DEHLGW}

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	2026-05-18T00:49:09.066689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10a99c6bce9265a24009269b190eb359bdc8d352003f001a2bc4cfe5c6694f2

Aliases

arxiv: 1702.04857 · arxiv_version: 1702.04857v1 · doi: 10.48550/arxiv.1702.04857 · pith_short_12: 2EFJTRV45ETF · pith_short_16: 2EFJTRV45ETFUJAA · pith_short_8: 2EFJTRV4

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/2EFJTRV45ETFUJAASJU3DEHLGW \
  | 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: d10a99c6bce9265a24009269b190eb359bdc8d352003f001a2bc4cfe5c6694f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a814114c6268899e700dc23a927bf6a7f98eb89671ed5192cd4e605bf90ea31e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-16T04:49:22Z",
    "title_canon_sha256": "dc9fa2ad992cbb54fb9c956bd322dbd04e3cc9b10c34952c940e0debdcd61231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04857",
    "kind": "arxiv",
    "version": 1
  }
}