Pith Number

pith:TTYI7NZG

pith:2014:TTYI7NZGRJCYDJBU7M5DRFVICE

not attested not anchored not stored refs pending

Astrochemistry at work in the L1157-B1 shock: acetaldehyde formation

B. Lefloch, C. Ceccarelli, C. Codella, F. Fontani, L. Podio, M. Benedettini, R. Bachiller, S. Viti

arxiv:1412.8318 v1 · 2014-12-29 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTYI7NZGRJCYDJBU7M5DRFVICE}

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	2026-05-18T01:41:15.388094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cf08fb7268a4581a434fb3a3896a81131a8dcec4283dd6b058e0b290dd19424

Aliases

arxiv: 1412.8318 · arxiv_version: 1412.8318v1 · doi: 10.48550/arxiv.1412.8318 · pith_short_12: TTYI7NZGRJCY · pith_short_16: TTYI7NZGRJCYDJBU · pith_short_8: TTYI7NZG

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/TTYI7NZGRJCYDJBU7M5DRFVICE \
  | 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: 9cf08fb7268a4581a434fb3a3896a81131a8dcec4283dd6b058e0b290dd19424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "168676d8678b85079c4664663a6fcae68f855f6778ae59f4cb127c259afb3bf3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-12-29T11:50:08Z",
    "title_canon_sha256": "5cd22077ca5de91a7b9a7d4ba7933294d95a6cae7bdb106307916c27ebaf2cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8318",
    "kind": "arxiv",
    "version": 1
  }
}