Pith Number

pith:DLZVCCZN

pith:2025:DLZVCCZNX4BYU4CLMRE5EMCY55

not attested not anchored not stored refs pending

When the Wall Fell: Study of Polycyclic Aromatic Hydrocarbons in T Chamaeleontis using JWST

R. Arun

arxiv:2507.21639 v1 · 2025-07-29 · astro-ph.SR · 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{DLZVCCZNX4BYU4CLMRE5EMCY55}

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	2026-07-05T11:45:03.628448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1af3510b2dbf038a704b6449d23058ef4f0704581eff3fb1ab687fb5f76592e7

Aliases

arxiv: 2507.21639 · arxiv_version: 2507.21639v1 · doi: 10.48550/arxiv.2507.21639 · pith_short_12: DLZVCCZNX4BY · pith_short_16: DLZVCCZNX4BYU4CL · pith_short_8: DLZVCCZN

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/DLZVCCZNX4BYU4CLMRE5EMCY55 \
  | 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: 1af3510b2dbf038a704b6449d23058ef4f0704581eff3fb1ab687fb5f76592e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6f72b358a9ec7ee681e07f5808ac1b88d44334ace479654fa02a0694e0811d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-29T09:51:29Z",
    "title_canon_sha256": "ac20e59ae387cc2ef55f2040546c991e8f1c228906634bcfa892438a29c0b46b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21639",
    "kind": "arxiv",
    "version": 1
  }
}