Pith Number

pith:ZBTLIT5B

pith:2018:ZBTLIT5BY7X763HBW2IIEKFWXU

not attested not anchored not stored refs pending

ALMA's Polarized View of 10 Protostars in the Perseus Molecular Cloud

Erin G. Cox, Haifeng Yang, Ian Stephens, John J. Tobin, Leslie W. Looney, Robert J. Harris, Zhi-Yun Li

arxiv:1802.00449 v1 · 2018-02-01 · 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{ZBTLIT5BY7X763HBW2IIEKFWXU}

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	2026-05-18T00:20:02.323669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c866b44fa1c7efff6ce1b6908228b6bd19e6f523f006f41e4c5b96467d56fa55

Aliases

arxiv: 1802.00449 · arxiv_version: 1802.00449v1 · doi: 10.48550/arxiv.1802.00449 · pith_short_12: ZBTLIT5BY7X7 · pith_short_16: ZBTLIT5BY7X763HB · pith_short_8: ZBTLIT5B

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/ZBTLIT5BY7X763HBW2IIEKFWXU \
  | 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: c866b44fa1c7efff6ce1b6908228b6bd19e6f523f006f41e4c5b96467d56fa55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "578848bdfc42c9c78e4e7a6b89f915fe9aef40255398bea89bdbba97490d040d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-01T19:00:02Z",
    "title_canon_sha256": "03f1a5dfb09cc00d29cb1ec0672cc59b461394c3da51095e787e9eb1571f3ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00449",
    "kind": "arxiv",
    "version": 1
  }
}