Pith Number

pith:OV5PQCGD

pith:2026:OV5PQCGDJQBLTID72PHKLUFFQB

not attested not anchored not stored refs pending

A search for circumstellar gas in pre-main-sequence debris discs using absorption spectroscopy

Daniela P. Iglesias, Karolina M. Szewczyk, Olja Pani\'c

arxiv:2607.08263 v1 · 2026-07-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OV5PQCGDJQBLTID72PHKLUFFQB}

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	2026-07-10T01:19:31.209694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

757af808c34c02b9a07fd3cea5d0a580590658a881e79c7b9c2bfb6bee769852

Aliases

arxiv: 2607.08263 · arxiv_version: 2607.08263v1 · doi: 10.48550/arxiv.2607.08263 · pith_short_12: OV5PQCGDJQBL · pith_short_16: OV5PQCGDJQBLTID7 · pith_short_8: OV5PQCGD

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/OV5PQCGDJQBLTID72PHKLUFFQB \
  | 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: 757af808c34c02b9a07fd3cea5d0a580590658a881e79c7b9c2bfb6bee769852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864970aebafb2500806422ff2b0f97f990f8b0d256a9f2689da7d1e8c609b5bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-07-09T09:07:20Z",
    "title_canon_sha256": "6c365e8e840cea682812d4a03f8c489d31d52ceeca59fff254a867130b924aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08263",
    "kind": "arxiv",
    "version": 1
  }
}