Pith Number

pith:AJGQA4QQ

pith:2021:AJGQA4QQ4IEBNYNO6BDRJ4ASBT

not attested not anchored not stored refs pending

Synthesis of the first nitrogen-heterocycles in interstellar ice analogs containing methylamine (CH$_3$NH$_2$) exposed to UV radiation: Formation of trimethylentriamine (TMT, c-(-CH$_2$-NH)$_3$) and hexamethylentetramine (HMT, (CH$_2$)$_6$N$_4$)

C. Gonz\'alez D\'iaz, G. M. Mu\~noz Caro, H. Carrascosa, M. L. Sanz, P. C. G\'omez

arxiv:2106.05622 v1 · 2021-06-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJGQA4QQ4IEBNYNO6BDRJ4ASBT}

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	2026-07-05T02:57:23.291747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

024d007210e20816e1aef04714f0120cf64ef88a71da2326012b868eea61567d

Aliases

arxiv: 2106.05622 · arxiv_version: 2106.05622v1 · doi: 10.48550/arxiv.2106.05622 · pith_short_12: AJGQA4QQ4IEB · pith_short_16: AJGQA4QQ4IEBNYNO · pith_short_8: AJGQA4QQ

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/AJGQA4QQ4IEBNYNO6BDRJ4ASBT \
  | 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: 024d007210e20816e1aef04714f0120cf64ef88a71da2326012b868eea61567d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3305cb677f0030febd7be9f42b40d7e1313f087d1d6d9c485fe72766034d97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-06-10T10:03:28Z",
    "title_canon_sha256": "79cdd0da9d2accd250252498ed4234581208a74032dc07cc64e27e0043333168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05622",
    "kind": "arxiv",
    "version": 1
  }
}