Pith Number

pith:GJ7EMRWI

pith:2017:GJ7EMRWIVWAZPLOVXPLYNQTS3P

not attested not anchored not stored refs pending

Absolute spectroscopy near 7.8 {\mu}m with a comb-locked extended-cavity quantum-cascade-laser

Aamir Farooq, Bidoor Alsaif, Davide Gatti, Marco Lamperti, Marco Marangoni, Martin Fermann, Paolo Laporta

arxiv:1708.00500 v1 · 2017-07-31 · physics.ins-det · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJ7EMRWIVWAZPLOVXPLYNQTS3P}

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	2026-05-17T23:59:43.963057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

327e4646c8ad8197add5bbd786c272dbea5283cbf57a8102d20598c647c67078

Aliases

arxiv: 1708.00500 · arxiv_version: 1708.00500v1 · doi: 10.48550/arxiv.1708.00500 · pith_short_12: GJ7EMRWIVWAZ · pith_short_16: GJ7EMRWIVWAZPLOV · pith_short_8: GJ7EMRWI

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/GJ7EMRWIVWAZPLOVXPLYNQTS3P \
  | 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: 327e4646c8ad8197add5bbd786c272dbea5283cbf57a8102d20598c647c67078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e89309e63111bc9584c578acf82ea91646d952b37c0c7362d0b44dd0ba64db09",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2017-07-31T08:23:49Z",
    "title_canon_sha256": "20a44bda4615a1494b47f3bf8e17ae84b0be493a192f3cf0dc4c29d2eeedd413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00500",
    "kind": "arxiv",
    "version": 1
  }
}