Pith Number

pith:Y7P64OMW

pith:2022:Y7P64OMWF5JTRJ5F3CRCE46E76

not attested not anchored not stored refs pending

Ammonia in the interstellar medium of a starbursting disc at z=2.6

A. M. Jacob, J. E. Geach, J. Forbrich, K. M. Menten, M. J. Doherty (Hertfordshire), R. J. Ivison, S. Dye

arxiv:2209.09268 v1 · 2022-09-19 · 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{Y7P64OMWF5JTRJ5F3CRCE46E76}

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	2026-07-05T05:03:06.167759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7dfee39962f5338a7a5d8a22273c4ffb460b4cc32c3eb9f971839313a5f34f4

Aliases

arxiv: 2209.09268 · arxiv_version: 2209.09268v1 · doi: 10.48550/arxiv.2209.09268 · pith_short_12: Y7P64OMWF5JT · pith_short_16: Y7P64OMWF5JTRJ5F · pith_short_8: Y7P64OMW

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/Y7P64OMWF5JTRJ5F3CRCE46E76 \
  | 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: c7dfee39962f5338a7a5d8a22273c4ffb460b4cc32c3eb9f971839313a5f34f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a30e72cd102eacc2540271e177d2505d236082d5e215bf875ea66ff8e1332aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-19T18:00:07Z",
    "title_canon_sha256": "c744fbb77306c3f43a1d0e57d779f8471ba55dd35253634bbc433816497c4dde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.09268",
    "kind": "arxiv",
    "version": 1
  }
}