Pith Number

pith:NKIX7ACV

pith:2020:NKIX7ACV2UIWBJQXMPFRNQBJGV

not attested not anchored not stored refs pending

Velocity dispersion in the interstellar medium of early galaxies

A. Ferrara, A. Pallottini, A. Zanella, C. Behrens, L. Vallini, M. Kohandel, S. Carniani, S. Gallerani

arxiv:2009.05049 v1 · 2020-09-10 · 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{NKIX7ACV2UIWBJQXMPFRNQBJGV}

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	2026-07-05T01:44:20.111734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a917f8055d51160a61763cb16c029355cc54e016eaa4a5311b10ef0be66c09f

Aliases

arxiv: 2009.05049 · arxiv_version: 2009.05049v1 · doi: 10.48550/arxiv.2009.05049 · pith_short_12: NKIX7ACV2UIW · pith_short_16: NKIX7ACV2UIWBJQX · pith_short_8: NKIX7ACV

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/NKIX7ACV2UIWBJQXMPFRNQBJGV \
  | 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: 6a917f8055d51160a61763cb16c029355cc54e016eaa4a5311b10ef0be66c09f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3cf66612570c18597a90a310ff9077bef4dc70d87931d646d4d94ae8f47013",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-10T18:00:01Z",
    "title_canon_sha256": "dd18f798ccdab8e4466cd51bf9fbfbbc3abc4aee7f49ac32bec98859a78a6682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05049",
    "kind": "arxiv",
    "version": 1
  }
}