Pith Number

pith:BSGA6OVT

pith:2026:BSGA6OVTW3X5KUZW62LCNHY23D

not attested not anchored not stored refs pending

How massive and clumpy must a quasar wind be to create emission line blueshifts?

James H. Matthews

arxiv:2607.25035 v1 · 2026-07-27 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSGA6OVTW3X5KUZW62LCNHY23D}

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	2026-07-29T00:24:58.871120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c8c0f3ab3b6efd55336f696269f1ad8f80d6ccceebc498edff5b9162a3e246a

Aliases

arxiv: 2607.25035 · arxiv_version: 2607.25035v1 · doi: 10.48550/arxiv.2607.25035 · pith_short_12: BSGA6OVTW3X5 · pith_short_16: BSGA6OVTW3X5KUZW · pith_short_8: BSGA6OVT

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/BSGA6OVTW3X5KUZW62LCNHY23D \
  | 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: 0c8c0f3ab3b6efd55336f696269f1ad8f80d6ccceebc498edff5b9162a3e246a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f703e36963557d3eb09da914e9946b832b422c130eea514537a0c2b6a032b9c1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-27T19:52:20Z",
    "title_canon_sha256": "31013b6185457eb3639121ebb81f419c287dee98216cb6a2476bbd6ce55ae20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25035",
    "kind": "arxiv",
    "version": 1
  }
}