Pith Number

pith:BNTYMLIO

pith:2007:BNTYMLIOTQZ2ZSJRLNIZLUTHQU

not attested not anchored not stored refs pending

HE 0515-4414 - an unusual sub-damped Ly alpha system revisited

D. Reimers, R. Baade, R. Quast

arxiv:0710.3560 v1 · 2007-10-10 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNTYMLIOTQZ2ZSJRLNIZLUTHQU}

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	2026-07-04T17:06:19.250018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b67862d0e9c33acc9315b5195d267853f76af79fcd4036d68f7063c3c6cbcb2

Aliases

arxiv: 0710.3560 · arxiv_version: 0710.3560v1 · doi: 10.48550/arxiv.0710.3560 · pith_short_12: BNTYMLIOTQZ2 · pith_short_16: BNTYMLIOTQZ2ZSJR · pith_short_8: BNTYMLIO

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/BNTYMLIOTQZ2ZSJRLNIZLUTHQU \
  | 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: 0b67862d0e9c33acc9315b5195d267853f76af79fcd4036d68f7063c3c6cbcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878324f7d1ff1f83831f38535aa41c5c5b9a07450a3b646c9f4a44b16f5fe833",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-10T16:28:51Z",
    "title_canon_sha256": "f420c7a58bdac67f9ad9f69a388ce72fd3fd80947e2587918737e3ec84536e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.3560",
    "kind": "arxiv",
    "version": 1
  }
}