Pith Number

pith:5I3NMTLC

pith:2018:5I3NMTLCRESWVDHS4FMVTBNNVU

not attested not anchored not stored refs pending

Examining the class B-to-A shift of the 7.7 ${\mu}$m PAH band with the NASA Ames PAH IR Spectroscopic Database

C. Boersma, M. J. Shannon

arxiv:1812.02178 v1 · 2018-12-05 · 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{5I3NMTLCRESWVDHS4FMVTBNNVU}

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	2026-05-17T23:52:39.328842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea36d64d6289256a8cf2e1595985adad0ea2dc4aa3f6afc7b23934d9f6217399

Aliases

arxiv: 1812.02178 · arxiv_version: 1812.02178v1 · doi: 10.48550/arxiv.1812.02178 · pith_short_12: 5I3NMTLCRESW · pith_short_16: 5I3NMTLCRESWVDHS · pith_short_8: 5I3NMTLC

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/5I3NMTLCRESWVDHS4FMVTBNNVU \
  | 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: ea36d64d6289256a8cf2e1595985adad0ea2dc4aa3f6afc7b23934d9f6217399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909c6a9d448465ac384f23806c80ca5b633cf86d082b3d9e3bf69233681d582f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-05T19:00:01Z",
    "title_canon_sha256": "4c1aa93b1daadba2cda802e06ebc1e64deea110a8cf15fd293f4493fd6a872f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02178",
    "kind": "arxiv",
    "version": 1
  }
}