Pith Number

pith:VEKV7C53

pith:2022:VEKV7C53XNS7H45JNFMNPV7WGJ

not attested not anchored not stored refs pending

Interstellar extinction correction in ionised regions using HeI lines

\'Angeles I. D\'iaz, Elena Terlevich, S. Zamora, Vital Fern\'andez

arxiv:2208.00669 v1 · 2022-08-01 · 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{VEKV7C53XNS7H45JNFMNPV7WGJ}

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	2026-07-05T04:49:02.472250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9155f8bbbbb65f3f3a96958d7d7f63260773e0dccf041defb000babacc3c9b2

Aliases

arxiv: 2208.00669 · arxiv_version: 2208.00669v1 · doi: 10.48550/arxiv.2208.00669 · pith_short_12: VEKV7C53XNS7 · pith_short_16: VEKV7C53XNS7H45J · pith_short_8: VEKV7C53

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/VEKV7C53XNS7H45JNFMNPV7WGJ \
  | 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: a9155f8bbbbb65f3f3a96958d7d7f63260773e0dccf041defb000babacc3c9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7cf6af321b81fc4a70e78a2955bce8bb4eb5025071e05a40967e34e41819671",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-08-01T08:03:56Z",
    "title_canon_sha256": "2c3a268ca56bceedacc2eb24ffac4a53b8f017dda2356c916ad8314bf879cd67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.00669",
    "kind": "arxiv",
    "version": 1
  }
}