Pith Number

pith:PW7MJJNA

pith:2011:PW7MJJNAQMQ3EWF42NCOG4U43O

not attested not anchored not stored refs pending

Measurement of an Exceptionally Weak Electron-Phonon Coupling on the Surface of the Topological Insulator Bi$_2$Se$_3$ Using Angle-Resolved Photoemission Spectroscopy

A. V. Fedorov, D. Gardner, S. Chu, T. Valla, Y. S. Lee, Z.-H. Pan

arxiv:1109.3638 v2 · 2011-09-16 · cond-mat.str-el · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PW7MJJNAQMQ3EWF42NCOG4U43O}

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	2026-05-18T03:37:05.764899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dbec4a5a08321b258bcd344e3729cdba0ccd3b7e62e74701f172eff6cdb414f

Aliases

arxiv: 1109.3638 · arxiv_version: 1109.3638v2 · doi: 10.48550/arxiv.1109.3638 · pith_short_12: PW7MJJNAQMQ3 · pith_short_16: PW7MJJNAQMQ3EWF4 · pith_short_8: PW7MJJNA

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/PW7MJJNAQMQ3EWF42NCOG4U43O \
  | 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: 7dbec4a5a08321b258bcd344e3729cdba0ccd3b7e62e74701f172eff6cdb414f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f5820ae541770c0ee9a7a7dc514a591546d318028e3080ab1bacf1f7517fb7",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-09-16T14:56:29Z",
    "title_canon_sha256": "fdd2bb6113f987fba2de83475c765dbbc5dc399b37079e45ffca4517736cd392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3638",
    "kind": "arxiv",
    "version": 2
  }
}