Pith Number

pith:NLL2ISQ5

pith:2020:NLL2ISQ56NILLBASYFONTWJJLN

not attested not anchored not stored refs pending

Nature of the DLA towards Q0528-250: High pressure and strong UV field revealed by excitation of CI, H2 and SiII

C. Ledoux, N. Gupta, P. Noterdaeme, P. Petitjean, R. Srianand, S. A. Balashev

arxiv:2007.07707 v1 · 2020-07-15 · 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{NLL2ISQ56NILLBASYFONTWJJLN}

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	2026-07-05T01:22:50.665694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad7a44a1df350b58412c15cd9d9295b5e8634b015164cab8418e9d3dee5f056

Aliases

arxiv: 2007.07707 · arxiv_version: 2007.07707v1 · doi: 10.48550/arxiv.2007.07707 · pith_short_12: NLL2ISQ56NIL · pith_short_16: NLL2ISQ56NILLBAS · pith_short_8: NLL2ISQ5

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/NLL2ISQ56NILLBASYFONTWJJLN \
  | 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: 6ad7a44a1df350b58412c15cd9d9295b5e8634b015164cab8418e9d3dee5f056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "078f2679f9e70c8a6811bbe4dfde171d12f411bf1d195f878782ea23c537f6b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-15T14:29:18Z",
    "title_canon_sha256": "d210f4705d5a2407a781f5c07a91516c65063b0fff487c0dbccc19d5b074fcee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07707",
    "kind": "arxiv",
    "version": 1
  }
}