Pith Number

pith:ZBZ65DC3

pith:2026:ZBZ65DC3FAZ3ABFEZ3Y3US3DUX

not attested not anchored not stored refs pending

Gas Phase Ion Species Released During Grain Collisions: Implications For Protoplanetary Disks

Gerhard Wurm, Patrick Hock

arxiv:2607.29376 v1 · 2026-07-31 · 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{ZBZ65DC3FAZ3ABFEZ3Y3US3DUX}

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	2026-08-03T01:33:34.677433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c873ee8c5b2833b004a4cef1ba4b63a5c48fd2809b41ed367d1c3051fae0bb50

Aliases

arxiv: 2607.29376 · arxiv_version: 2607.29376v1 · doi: 10.48550/arxiv.2607.29376 · pith_short_12: ZBZ65DC3FAZ3 · pith_short_16: ZBZ65DC3FAZ3ABFE · pith_short_8: ZBZ65DC3

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/ZBZ65DC3FAZ3ABFEZ3Y3US3DUX \
  | 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: c873ee8c5b2833b004a4cef1ba4b63a5c48fd2809b41ed367d1c3051fae0bb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ed4515ee5f98ca01ca1d89596c90d30bb68ff47576b644b00888969be1747f8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-07-31T12:59:21Z",
    "title_canon_sha256": "39fb4b0f89873c95ce8d7ffe0b6cc97732fb4126f54e1a9209b8f1c1d9a96227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29376",
    "kind": "arxiv",
    "version": 1
  }
}