Pith Number

pith:UUWQ4KYY

pith:2016:UUWQ4KYYFWI4IAXBUTOE24C5MY

not attested not anchored not stored refs pending

New calibrations for abundance determinations in HII regions

E.K. Grebel, L.S. Pilyugin

arxiv:1601.08217 v1 · 2016-01-29 · 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{UUWQ4KYYFWI4IAXBUTOE24C5MY}

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	2026-05-18T01:21:03.837746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52d0e2b182d91c402e1a4dc4d705d662427e383a30d52e4e3cd8c603540b0e3

Aliases

arxiv: 1601.08217 · arxiv_version: 1601.08217v1 · doi: 10.48550/arxiv.1601.08217 · pith_short_12: UUWQ4KYYFWI4 · pith_short_16: UUWQ4KYYFWI4IAXB · pith_short_8: UUWQ4KYY

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/UUWQ4KYYFWI4IAXBUTOE24C5MY \
  | 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: a52d0e2b182d91c402e1a4dc4d705d662427e383a30d52e4e3cd8c603540b0e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2a207a4cdef3192d993668092afaee580e2ccfa777c4cc7f2b32188824ef30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-29T18:35:43Z",
    "title_canon_sha256": "78f603d6e34cb6c0c1bb54c16ed0ef7fc59f5209c766fe4b0dd4d36f8f483448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08217",
    "kind": "arxiv",
    "version": 1
  }
}