Pith Number

pith:HW7Y4M5B

pith:2018:HW7Y4M5B3UIJFYOWWCBLGFIDDN

not attested not anchored not stored refs pending

ALMA observations of the young protostellar system Barnard 1b: signatures of an incipient hot corino in B1b-S

A. Ciardi, A. Fuente, B. Commer\c{c}on, D. C. Lis, E. Chapillon, E. Roueff, H. A. Wootten, J. Cernicharo, J. Pety, M. Gerin, N. Marcelino

arxiv:1809.08014 v1 · 2018-09-21 · 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{HW7Y4M5B3UIJFYOWWCBLGFIDDN}

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	2026-05-17T23:59:05.045847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dbf8e33a1dd1092e1d6b082b315031b46bf0cff07af22bfa3e34a46c6871bce

Aliases

arxiv: 1809.08014 · arxiv_version: 1809.08014v1 · doi: 10.48550/arxiv.1809.08014 · pith_short_12: HW7Y4M5B3UIJ · pith_short_16: HW7Y4M5B3UIJFYOW · pith_short_8: HW7Y4M5B

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/HW7Y4M5B3UIJFYOWWCBLGFIDDN \
  | 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: 3dbf8e33a1dd1092e1d6b082b315031b46bf0cff07af22bfa3e34a46c6871bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41101d6765ee6bc97cddc8f0586f8f30bbc5b27b2a3912c9b801ca1b1ad2990d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-21T10:02:44Z",
    "title_canon_sha256": "8a4474dd3fb7446cb1aa5be1b2ffc1b3629165a45972c26274b0b7f76afe801d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08014",
    "kind": "arxiv",
    "version": 1
  }
}